Glossary of maritime terms meanings

Glossary of maritime terms meanings

 

A meaning Aa. meaning Aaaa. meaning A flag + three numerals meaning Aback meaning Abaft meaning Abaft of the beam meaning Abandon meaning Abandon ship meaning Abate meaning Able bodied seaman meaning Abeam meaning Aboard meaning About, go meaning Above board meaning Able bodied seaman meaning Abreast meaning Abrid meaning Abrolhos meaning A.B.S. meaning Absorption meaning Abt. meaning Abyss meaning Abyssal, abysmal meaning Abyssal gap meaning Abyssal plain meaning Access holes meaning A.C.M.A. meaning Acid rain meaning Ack. meaning A. class meaning A. class division meaning Accommodation meaning Accommodation ladder meaning Accumulator meaning A-cock-bill meaning A.C. current meaning Accretion meaning Aces meaning Acorn meaning Adams, Joe meaning ADCOM meaning Added mass meaning Added weight method meaning Adiabatic meaning Adj. meaning Admiral meaning Admiralty brass meaning Adrift meaning Ad valorum meaning Advance meaning Advection meaning Advection fog meaning Admiralty meaning Admiralty pattern anchor meaning Adze meaning Aerial meaning Aero lights meaning Aeronautical drift (Da) meaning Aeronautical position meaning A.F.F.F. meaning Affreightment contract meaning Afloat meaning Aframax. meaning Afromosia meaning Aft, after meaning After body meaning Aft peak meaning Aft peak bulkhead meaning Aft peak tank meaning After Perpendicular (AP) meaning After rake meaning Aftermost meaning Agba meaning A.G.D. meaning A.G.D.66 meaning Age of the moon meaning Age of the tide meaning Agonic line meaning Aground meaning Agulhas Current meaning A.G.W. meaning A.H.D. meaning Ahead meaning A-hoy meaning A.H.L. meaning A.H.O. meaning A-hull meaning A.I.O. meaning Air meaning Air casing meaning Aircraft carrier meaning Aircraft coordinator (A.C.O.) meaning Air draught meaning Aircraft glide meaning Air hammer meaning Air port meaning Air-purifying respirator meaning Air tank meaning Air tight door meaning A.I.S. meaning A.L.A.R.P. meaning Alaska current meaning Albatross meaning Alden, John meaning A-lee meaning Alertfa meaning Alert phase meaning Alerting post meaning Alignment meaning Alive meaning Alizé meaning Alkaline meaning All fours mooring meaning All hands meaning Allison meaning A.L.M. meaning All standing meaning Aloft meaning Alongside meaning Allotment note meaning A.L.P. meaning A.L.T meaning Altar meaning Alternator meaning Aluminium meaning Aluminium bronze meaning A.M. meaning Amas meaning A.M.C. meaning American bureau of shipping meaning Amidships meaning Ammeter meaning Amp meaning Ampere meaning Amphitrite meaning Amphora meaning Amplification meaning Amp meter meaning Amplitude meaning Amplitude modulation meaning A.M.S.A. meaning A.M.V.E.R. meaning Analogue meaning Anchor meaning Anchorage meaning Anchor bar meaning Anchor billboard meaning Anchor buoy meaning Anchor chain meaning Anchors in tandem meaning Anchor light meaning Anchor rode meaning Anchors aweigh meaning Anchor stopper meaning Anchor watch meaning Ancient Greece winds meaning Anemometer meaning Angle meaning Angle bar meaning Angle clip meaning Angle collar meaning Angle of cut meaning Angle of dip meaning Angle of incidence meaning Angle of indraft meaning Angle of reflection meaning Angle of refraction meaning Angle of repose meaning Anhydrous meaning Anode meaning Anomaly meaning Anneal meaning Anode meaning A.N.T. meaning Antarctic circum-polar current meaning Antarctic sub-polar current meaning Antenna meaning Antenna gain meaning Anti-cyclone meaning Anti-freeze meaning Anti-fouling meaning Anti-sea clutter meaning Anti-siphon valve meaning Anti-trip chine meaning A.P. meaning Apparent temperature heat index (AT) meaning Apartias meaning Aperture meaning Aphelion meaning Apheliotes meaning A.P.H.I.S. meaning A.P.I. meaning Apogee meaning Apparent coefficient A meaning Apparent wind meaning Approaches meaning Apron meaning Aquaculture meaning Aqualung meaning Aquatic meaning Aqueduct meaning Arch meaning Archaeology meaning Archimedes' principle meaning Archipelago meaning Armada meaning Armature meaning A.R.P.A. meaning Arc of visibility meaning Arctic smoke meaning Argestes meaning A.R.G.O.S. meaning Ark meaning Arming the lead meaning Arsenal meaning Artemon meaning Articles meaning Articles of agreement meaning Artificial horizon meaning Artificial respiration meaning A/S meaning Ash meaning Ashcroft system meaning Ashlar meaning Aspect meaning Aspect ratio meaning Astern meaning Astronomical Twilight meaning A.T.E. meaning Athwart meaning Athwart-ships meaning Atlantis meaning Atmosphere meaning Atmosphere- supplying respirator meaning Atmospheric pressure meaning Atoll meaning Atollon meaning Attenuation meaning Auger meaning Aurora borealis meaning Aussar meaning Autopilot meaning Australian coastal and middle-water operations meaning Australian Height Datum meaning Auto-pilot meaning Auxiliaries meaning Auxiliary engine meaning Auxiliary machinery meaning Avalon meaning Avast meaning Aviso meaning Awareness range meaning Awareness stage meaning Awash meaning Aweigh meaning Awning meaning Awning deck meaning A.W.S. meaning Aye, Aye meaning Azimuth meaning Azimuth ring meaning B meaning Babbin meaning Bacassa meaning Back meaning Back, backing meaning Backbearing meaning Backbone meaning Back flooding meaning Back freight meaning Back haul meaning Back pressure meaning Backsprings meaning Backstays meaning Backwash meaning Backwinding meaning B.A.F. meaning B. class meaning B. class division meaning Baffle plate meaning Bagged cargo meaning Baggywrinkle meaning Bail meaning Bailer meaning Balanced frames meaning Balanced rudder meaning Bale capacity meaning Ball valve meaning Ballast meaning Ballast ground meaning Ballast keel meaning Ballast tanks meaning Ballistic deflection meaning Balk meaning Baltic moor meaning Bank meaning Banker meaning Banks, Sir Joseph meaning Bar meaning Barber hauler meaning Barbette meaning Bareboat meaning Bareboat charter meaning Bare-poles meaning Barge meaning Bark meaning Barnacle meaning Barometer meaning Barque meaning Barquentine meaning Barratry meaning Barrel bow meaning Barrico meaning Bascule bridge meaning Base line meaning Bateau meaning Bathometer meaning Bathymetry meaning Bathyscaphe meaning Bathysphere meaning Batten meaning Batten down meaning Battens, cargo meaning Battery meaning Battery isolation (switch) meaning Battery sensed meaning Battleship meaning Bayou meaning B.B.B. meaning B.D.I. meaning B.D.N. meaning Beachcomber meaning Beam meaning Beam knees meaning Beam line meaning Beam plate angle meaning Beam shelf meaning Beamwidth meaning Beam wind meaning Bear meaning Bear away meaning Bearding line meaning Bear down meaning Bearer meaning Bearing meaning Bearing race meaning Bearing tube meaning Beating meaning Beaufort, Admiral Francis meaning Beaufort scale meaning Becalm meaning Becket meaning Bedding compound meaning Bed plate meaning Beds meaning Beech meaning Before the wind meaning B.E.I. meaning Belay meaning Belaying pin meaning Below meaning Bells meaning Bell suction meaning Belting meaning Belly strap meaning Be-neaped meaning Bend meaning Bending roller meaning Bendix meaning Benguela current meaning Bent meaning Bent on meaning B.E.P. meaning Berm meaning Bermudan, Bermudian rig meaning Bermudan sloop meaning Berth meaning Between decks meaning Bevel meaning Bevel gear meaning Bibby alleyway meaning Bifurcated meaning Bight meaning Bilander meaning Bilge meaning Bilge blocks meaning Bilge blower meaning Bilge bracket meaning Bilge keel meaning Bilge plates meaning Bill meaning Bill hook meaning Bill of lading meaning Billy-boy meaning Binnacle meaning Bioluminescence meaning Biro klasifikase Indonesia meaning Bitter, or bitter-end meaning Bitts meaning Bitumastic meaning Blackbeard meaning Black cargo meaning Blackgang meaning Blade meaning Blanket meaning Blast meaning Bleed or bleeding meaning Bleeders meaning B.L.G. meaning Bligh, Captain William meaning Blind arc meaning Blizzard meaning Block meaning Block coefficient (CB) meaning Blocking diode meaning Blow-by meaning Blower meaning Blue gum meaning Blue peter meaning Blueprints meaning Blues meaning Bluff meaning B.M.P. meaning B.N.W.A.S. meaning Board meaning Boat-falls meaning Boat hook meaning Boatswains chair meaning Bobstay meaning Body plan meaning Boiler casing meaning Boilers meaning Boiling meaning Bollard meaning Bollard pull meaning Bolster plate meaning Bolt-rope meaning Bomb ketch meaning Bonding meaning Bonding conductor meaning Bonds meaning Bonnet meaning Booby hatch meaning Boom meaning Boom crutch meaning Boomkin meaning Boom table meaning Boom top meaning Boom vang meaning Boot top meaning Bora meaning Bore meaning Boreas meaning Boss meaning Boss plate meaning Bosun, boatswain meaning Bosun’s chair meaning Bosun’s locker meaning Bosun’s pipe meaning Bottle screw meaning Bottom plating meaning Bottom shape meaning Bound meaning Boundary cooling meaning Bounding bar meaning Bow meaning Bow door meaning Bower anchor meaning Bowfin meaning Bowline meaning Bow line meaning Bowline in a bight meaning Bowse meaning Bow shackle meaning Bowsprit meaning Bow stopper meaning Bow thruster meaning Bow wave meaning Bow and buttock lines meaning Box meaning Box the compass meaning Brace meaning Brail meaning Brails meaning Brake horsepower (BHP) meaning Bracket meaning Brackish water meaning Brass meaning Braze meaning Brazil current meaning Brazilian mahogany meaning Breadth moulded (B) meaning Breadth extreme (BE) meaning Break meaning Break bulk meaning Breaker meaning Breaker points meaning Breakers meaning Break ground meaning Breaking sea meaning Break out meaning Breakwater meaning Breaming meaning Brest beam meaning Breast-hook meaning Breast lines meaning Breast rail meaning B.R.G. meaning Brickfielder meaning Bridge meaning Bridge house meaning Bridge rectifier meaning Bridge wing meaning Bridle meaning Brig meaning Brigantine meaning Brightwork meaning Broach meaning Broach reach meaning Broad axe meaning Broadseam meaning B.R.O.B. meaning Broken stowage meaning Broken water meaning Broker meaning Brook meaning Brook trout meaning Brought-up meaning Brow meaning Brow gear meaning Brown trout meaning Bruce anchor meaning Buckled plate meaning Brush box meaning Brushes meaning Buccaneer meaning Building slip meaning Bulbous bow meaning Bulbous forefoot meaning Bulldog clip meaning Bullrope meaning Bulk cargo meaning Bulk carrier Bulker meaning Bulkhead meaning Bulkhead stiffeners meaning Bull nosed bow meaning Bull riveting meaning Bulwarks meaning Bulwark stay meaning Bumboat meaning Bumpkin meaning Bundling meaning Bungs meaning Bunk meaning Bunkers meaning Bunt meaning Bunting meaning Buoy meaning Buoyancy meaning Buoyant lights meaning Burden meaning Burdened vessel meaning Bureau veritas meaning Burgee meaning Burr edge meaning Buss meaning Buss bar meaning Butane meaning Butt meaning Butt blocks meaning Butterworth meaning Butterworth opening meaning Butt joint meaning Butt strap meaning Buttock meaning Button meaning By the meaning By-pass meaning C meaning C flag + three numerals meaning C/A meaning Cab meaning Cabin meaning Cabin sole meaning Cable meaning Cable clamp meaning Cable-laid meaning Cable locker meaning Cable ship meaning Cabotage meaning Cadet meaning Caecias meaning Cairn meaning Caisson meaning Calculated altitude meaning California current meaning Calima meaning Calking meaning Call sign meaning Cam meaning Calm meaning Camber meaning Cam cleat meaning Camel meaning Cam shaft meaning Canal meaning Canaries current meaning Candela meaning Canoe meaning Cant meaning Canute, King meaning Canvas meaning Canvas-covered meaning Canyon meaning Cap meaning Capacitor meaning Capacity plan meaning Cape meaning Capelin meaning Capesize meaning Cap shroud meaning Capsize meaning Capstan meaning Capstan-bar meaning Captain meaning Caravel meaning Carbon ceramic seal meaning Carbon dioxide meaning Carbon monoxide meaning Car carrier meaning Car deck meaning Cardinal points meaning Careen meaning Cargo meaning Cargo battens meaning Cargo cult meaning Cargo door or port meaning Cargo handling meaning Cargo manifest meaning Cargo net meaning Cargo plan meaning Cargo preference meaning Cargo register meaning Cargo sweat meaning Carlins, carlings meaning Carpenters trunk meaning Carrack meaning Carrick bend meaning Carrier meaning Carry away meaning Carry on meaning Cartage meaning Cartography meaning Carvel meaning Case meaning Case dogs/hooks meaning Casing meaning Cast meaning Casting meaning Cast off meaning Catamaran meaning Catalyst meaning Cat boat meaning Cathode meaning Cathode protection meaning Cat o’nine tails meaning Cat’s paw meaning Cattle carrier meaning Catug meaning Catwalk meaning Caul meaning Caulk meaning Caulking iron meaning Caulking mallet meaning Causeway meaning Caval (kevel) meaning Cavitation meaning Cay meaning C.B.D. meaning C. Class meaning C.C.T.S. meaning C.C.T.V. meaning C.D. meaning Ceiling meaning Celery top meaning Celestial navigation meaning Cell meaning Cells meaning Cellular container ship meaning Celsius temperature scale meaning Centreboard meaning Centreboard case meaning Centre castle meaning Centre of buoyancy (B) meaning Centre of effort (CE) meaning Centre of flotation (F). meaning Centre of gravity (G) meaning Centre of lateral resistance (CLR) meaning Centrifugal action meaning Centrifugal pump meaning Cers meaning Certificate of operation meaning Certificate of registry meaning Certificate of survey meaning Cetaceans meaning C.F.C.s meaning Chafe meaning Chain locker meaning Chain plates meaning Chain riveting meaning Chains meaning Chamfer meaning Chandler meaning Channel meaning Channels meaning Chanties meaning Charley noble meaning Chart meaning Chart datum meaning Charter meaning Chart house or room meaning Charter party meaning Chasm meaning Chassis meaning Check meaning Check (in wood) meaning Checksum digit meaning Check valve meaning Cheeks plates meaning Cheese meaning Chemical carrier meaning Chief or chief engineer meaning Chief mate meaning Chinagraph meaning Chine meaning Chine log meaning Chinook meaning Chlorofluorocarbons meaning Chock boat meaning Chocks meaning Chock-a-block meaning Choke meaning Choked meaning Chord meaning Chosen position meaning Chronometer meaning Circlip meaning Circuit breakers meaning Cirrus clouds meaning Civil twilight meaning Clamps meaning Class 1 vessel meaning Class 2 vessel meaning Class 3 vessel meaning Class 4 vessel meaning Class A vessel meaning Class B vessel meaning Class C vessel meaning Class D vessel meaning Class E vessel meaning Classical winds of the ancient world meaning Classification meaning societies meaning Clawing off meaning Clean ships meaning Clear meaning Clear away meaning Clear berth meaning Clearing marks meaning Clearing line meaning Cleat meaning Cleating meaning Clench meaning Clevis pin meaning Clew meaning Clew lines meaning Clewed up meaning Clew-outhaul meaning Climate meaning Clinker meaning Clipper meaning Clipper bow meaning Close meaning Close-hauled meaning Close-reefed meaning Cloud meaning Cloud cover meaning Clove-hitch meaning Club foot meaning Club foot jib meaning Clutch meaning Clutter meaning C.M.G. meaning C.N.G. meaning C.O.A. meaning Coach bolt meaning Coach roof meaning Coach screw meaning Coaming meaning Coastal plain meaning Coastal waters meaning Coast earth station (C.E.S.) meaning Coat meaning Coastal radio meaning Coaster meaning Coasting meaning Coaxial cable meaning Cobbles meaning Cock meaning Cock-a-bill meaning Cocked hat meaning Cockpit meaning Cod meaning Code flags (letters) meaning Coefficient A meaning Coefficient B meaning Coefficient C meaning Coefficient D meaning Coefficient E meaning Coefficients of fineness meaning Coefficients of form meaning Coffer dam meaning Coffin plate meaning C.O.G. meaning Coil meaning Col meaning Cold bent frames meaning Cold cranking amps meaning Cold front meaning Cold moulded meaning Cold plug meaning Collar meaning Collet meaning Collier meaning Collision bulkhead meaning Collision mats meaning Collision regulations meaning Columbus, meaning Christopher meaning Colours meaning Column meaning Combers meaning Combi meaning Combing meaning Combustion meaning Come-up meaning Coming about, coming around meaning Commercial purpose meaning Commis meaning Common ground point meaning Commutator meaning Companion meaning Compartment meaning Compass meaning Compass timber meaning Complement meaning Composite construction meaning Composite group flashing meaning Composite group occulting meaning Compression meaning Compression ratio meaning Compressor meaning C.O.M.S.A.R. meaning Concession meaning Conclusion stage meaning Condense meaning Condenser meaning Conduction meaning Conductor meaning Conduit meaning Confined space meaning Confluence meaning Conning meaning Conning tower meaning Conrad, Joseph meaning Consignment meaning Consignee meaning Consignor meaning Conspicuous object meaning Constrained by her draught meaning Container meaning Container terminal meaning Container ship meaning Contamination meaning Continent meaning Continental shelf meaning Continuity meaning Contraband meaning Contract of affreightment meaning Contour meaning Convection meaning Convergence meaning Convoy meaning Cook, Captain James meaning Cooling water meaning Coordination meaning Coordinated search Pattern meaning Coordinated universal time (U.T.C.) meaning Coral meaning Coral bleaching meaning Cordage meaning Cordillera meaning Core meaning Coriolis Force meaning Corrosion meaning Corrugated meaning Corrugated bulkhead meaning Corsair meaning Corvette meaning Cospas-Sarsat System meaning Cotter pin meaning Counter meaning Countersunk hole meaning Countersunk rivet meaning Couple meaning Coupling meaning Course meaning Course made good meaning Course sail meaning Course-up meaning Couta boat meaning Cove meaning Cove line meaning Cowl meaning Coxswain meaning Coverage factor (C) meaning Covering boards meaning C.P.A. meaning C.P.R. meaning C.Q.R. anchor meaning Crab meaning Crabwise meaning Cradle meaning Craft meaning Crank meaning Cranky meaning Crater meaning Crayfish meaning Crazing meaning Crest meaning Crew meaning Crew’s gangway meaning Cribbing meaning Crimp meaning Crimp terminal/connecter meaning Cringle meaning Cromster meaning Cross curves of stability meaning Crosshead meaning Crossheader meaning Crossing the line meaning Crossjack meaning Cross-planking meaning Cross sea meaning Cross-spall meaning Crosstree meaning Crown meaning Crow’s nest meaning C.R.T. meaning Cruiser meaning Cruising guide meaning Crustacean meaning Crutch meaning C.S. meaning Ctenophore meaning C.T.S. meaning Cuddy meaning Culvert meaning Cumulonimbus cloud meaning Cumulus cloud meaning Cunningham eye meaning Current meaning Cursor meaning Curtain meaning Custom broker meaning Customhouse meaning Customs and excise meaning Cutter meaning Cut-away meaning Cutlass bearing meaning Cut-water meaning C.V joint meaning Cycle meaning Cycloidal propulsion system meaning Cyclogenesis meaning Cyclone meaning D meaning D flag + six numerals meaning Dagger board meaning D.A.L.R. meaning Dam meaning Damp meaning Damper meaning Dampier, William meaning Damping meaning Danforth anchor meaning Danger angle meaning Danger line meaning Date line meaning Datum meaning Datum area meaning Datum line meaning Datum point meaning Davits meaning Davy Jones’s locker meaning Dawn meaning Day-sailer meaning Day mark meaning DC (direct current) meaning Daylight hours meaning Day shape meaning D. Class meaning Dead ahead meaning Deadeye meaning Dead flat meaning Deadlights meaning Deadmen meaning Dead reckoning meaning Deadrise meaning Deadweight meaning Deadweight tonnage meaning Deadwood meaning Deadwood chock meaning Deck meaning Deck beam meaning Deck button meaning Deck girders meaning Deck head meaning Deck house meaning Deciles meaning Declination meaning Declivity meaning Deconsolidation point meaning Deep floor meaning Deep frame meaning Deep sea trade meaning Deep six meaning Deep stowage meaning Deep tank meaning Deep V meaning Definition meaning Degaussing meaning Delta meaning Delta T meaning Demand respirator meaning Demurrage meaning Density meaning Departure meaning Depression meaning Depth moulded (D) meaning Derelict meaning Derrick meaning Destroyer meaning Determining a line of position meaning Development meaning Devils claw meaning Deviation meaning Dew meaning Dew-point temperature meaning De-zincification meaning D.F. meaning D.G.P.S. meaning Dhobi meaning Dhow meaning Diablo meaning Diagonals meaning Diamond meaning Diaphone meaning Diaphragm meaning Diatom meaning Dielectric meaning Diesel engine meaning Difference of latitude (d. lat.) meaning Difference of longitude (d. long.) meaning Differentiator meaning Diffusion meaning Digital meaning Dinghy meaning Diode meaning Dip meaning Dipping distance meaning Direct current meaning Disabled vessel meaning Discharge book meaning Discrimination meaning Displacement meaning Displacement as a volume. meaning Displacement as a weight. meaning Displacement as a mass meaning Displacement extreme. (DE) meaning Displacement hull meaning Displacement moulded meaning Displacement tonnage meaning Detresfa meaning Distance meaning Distress phase meaning Distress signal meaning Distributor meaning Ditching meaning Ditty-bag meaning Diurnal tide meaning Diurnal variation meaning D.M.G. meaning Dock meaning Docking light meaning Docking plan meaning Dodger meaning Dog meaning Doghouse meaning Dog shores meaning Dog-watches meaning Doldrums meaning Dolly meaning Dolphin meaning Dolphin striker meaning Donkey engine meaning D.O.P. meaning Dorade ventilator meaning Dory meaning Doubling meaning Double block meaning Double bottom meaning Double diagonal meaning Double ender meaning Double headsail meaning Double pole switch meaning Doubler meaning Double sheetbend meaning Double skin meaning Double the angle on the bow meaning Double up meaning Doubling plates meaning Douglas fir meaning Douse, dowse meaning Dowel meaning Downburst meaning Downhaul meaning Downstream meaning Downwind meaning D.R. meaning Draft meaning Drag meaning Dragon boat meaning Drag sweep meaning Drail meaning Drain well meaning Draught meaning Draught, load meaning Draught marks meaning Draught, mean meaning Draught moulded (T) meaning Draught extreme (TE) meaning Draw meaning Drawknife meaning Dredge meaning Dredged channel meaning Dredger meaning Dressing ship meaning Drier meaning Drift meaning Drift angle meaning Drift bolt meaning Drift current meaning Drifter meaning Drift error (De ) meaning Drift pin meaning Drip collector, or pan meaning Drip loop meaning Drive meaning Drive ratio meaning Drive train meaning Drizzle meaning Drogue or sea anchor meaning Dromon meaning Drop strake meaning Drought meaning Dry meaning Dry adiabatic lapse rate meaning Dry-bulb temperature meaning Dry bulk meaning Dry cargo ship meaning Dry dock meaning Dry docking meaning Dry exhaust meaning Dry rot meaning D.S.C. meaning D.T.G. meaning Ducer meaning Duck meaning Duct meaning Ductility meaning Duct keel meaning Dumb barge meaning Dungarees meaning Dunnage meaning Duplicating pipe meaning Dust storm meaning Dutchman meaning Dyke meaning D.W.T. meaning E meaning E.A.R. meaning Earring meaning Earth/earth return circuit meaning Ease meaning Ease to the stopper meaning East Australian current meaning East Greenland current meaning Easting meaning Easy meaning Ebb meaning E.B.L. meaning E.C.D.I.S. meaning Echo meaning E. Class meaning Eddy meaning E.E.C. meaning Eel meaning E.E.Z. meaning Electrolysis meaning Electrode meaning Electro-hydraulic meaning Electrolyte meaning Elevation meaning Elm meaning Elmo’s fire, St. meaning El Niño meaning Embankment meaning Embayed meaning Emergency phase meaning Emergency situation meaning E.M.S. meaning E.M.S.A. meaning End meaning End for end meaning End guide assembly meaning End-of-service-life indicator (E.S.L.I.) meaning End plate effect meaning End seizing meaning Engine bed meaning Engine control room meaning Engine logs meaning Engine room meaning Ensign meaning E.N.S.O. meaning Enterprise meaning Entrance meaning Endurance meaning E.P. meaning E.P.A. meaning Epoxy resin meaning Equator meaning Equatorial trough meaning Equinox meaning Equatorial current meaning Equatorial counter currents meaning Escape-only respirator meaning Escarpment meaning Estimated position meaning Estuary meaning E.T.A. meaning Etch primer meaning E.T.D. meaning Etesian meaning E.T.R. meaning Eurus meaning Euronotos meaning Evaporate meaning Evaporator meaning Even-keel meaning Exhaust gases meaning Exhaust manifold meaning Expansion meaning Expansion joint meaning Expansion trunk meaning Extinguishing agent meaning Eye meaning Eye bolt meaning Eyebrow meaning Eye of a vessel meaning Eye splice meaning Eyot meaning F meaning Face plate meaning Factory ship meaning Fagged meaning Fahrenheit meaning Fairing meaning Fairlead meaning Fairwater meaning Fairway meaning Fake meaning Fall meaning False alarm meaning False alert meaning False keel meaning Fantail meaning Fastenings meaning Fathom meaning Feather meaning Feeder service meaning Feeder vessel meaning Felibote meaning Felloes meaning Felluca meaning Fen meaning Fender meaning Fender board meaning Fend off meaning Ferry meaning Fetch meaning Fend off meaning Fid meaning Fiddle meaning Fiddle-block meaning Fiddlers green meaning Fidley meaning Figurehead meaning Figure of eight meaning File-rail meaning Fill meaning Filler meaning Fillet meaning Filter meaning Fine meaning Fiord meaning First R.C.C. meaning Fish meaning Fishing meaning Fish farm meaning Fishing vessel meaning Fishmeal meaning Fish plate meaning Fisherman’s staysail meaning Fish stakes meaning Fish tail plate meaning Fitting out meaning Fix meaning Fixed costs meaning Fixed fire fighting system meaning Flake or fake meaning Flag meaning Flags of convenience meaning Flagstaff meaning Flag State meaning Flame arrestor meaning Flare meaning Flash meaning Flash Flood meaning Flashing meaning Flash point meaning Flat meaning Flat bottom meaning Flat of keel meaning Flatten sheets meaning Fleet meaning Flemish coil meaning Flemish down meaning Flinders bar meaning Flinders, Matthew meaning F.L.I.R. meaning Floating drydock meaning Flood meaning Floodable length meaning Flood warning meaning Floor meaning Floor plate meaning Floors meaning Floor timbers meaning Flotilla meaning Flounder meaning Fluitschip meaning Flukes meaning Flush meaning Flush deck meaning Flushing plug meaning Flute meaning Flux meaning Fluyt meaning Flyboat meaning Flying bridge meaning Flying jib meaning F.M. meaning F.O.B. meaning Fo’csle meaning Fodley hatch meaning Foehn meaning Föhn meaning Fog meaning Fog-bound meaning Fog horn meaning Following sea meaning Foot meaning Footing meaning Force Majeure meaning Force P meaning Force Q meaning Force R meaning Ford meaning Fore meaning Fore-and-aft meaning Fore-and-aft rig meaning Forecastle meaning Forecastlehead meaning Forefoot meaning Foresail meaning Forestaysail meaning Foreshore meaning Fore-topmast staysail meaning Fore triangle meaning Forge meaning Forged meaning Former meaning Forward meaning Forward perpendicular (FP) meaning Foul meaning Foul ground meaning Foul hawse meaning Found meaning Founder meaning Fox, Uffa meaning F.P. meaning Fragata meaning Frame meaning Frames meaning Frap meaning Free meaning Freeboard meaning Freeboard deck meaning Freeboard depth (D) meaning Freeboard length (L) meaning Free fall lifeboat meaning Freeing ports meaning Freeze meaning Freight meaning Freighter meaning Freight rate meaning Freight tonnage meaning Frequency modulation meaning Fresh meaning Freshen meaning Frigate meaning Front meaning Frost meaning F.S.A. meaning F.S.W.R. meaning F.T.C. meaning Fucus meaning Fuel injection meaning Fuel/oil ratio meaning Fuel tank meaning Full and bye meaning Fully rigged ship meaning Funnel meaning Furl meaning Furrings meaning F.V. meaning F.W.A. meaning F.W.A.D meaning F.W.D.D meaning G meaning G flag + three numerals meaning Gaff meaning Gain meaning Gale meaning Galizabra meaning Galleas meaning Galleasse meaning Galleon meaning Galley meaning Galliot meaning Galvanic scale meaning Galvanizing meaning Galway hooker meaning Gammoning meaning Gangway meaning Gantline meaning Gantry meaning Garboard-strake meaning Garvey meaning Gas carrier meaning Gas free meaning Gaskets meaning Gather way meaning Gauge meaning G.D.O.P meaning Gear meaning Gearbox meaning Gear case meaning Gel coat meaning Gel time meaning General arrangement meaning Genoa meaning Geodetic datum meaning Geographic position meaning Geostrophic wind meaning G.H.A meaning Ghosting meaning G.I. meaning Gib meaning Gig meaning Gilguy meaning Gill meaning Gill net meaning Gimbals meaning Girder meaning Girth meaning Glacier meaning Glass meaning Glass fibre meaning Global radiation meaning Glory hole meaning G.M. meaning G.M.D.S.S. meaning G.N.S.S. meaning G.N. meaning Go about meaning Goes adrift meaning Godown meaning Gooseneck meaning Goosewing meaning Gouge meaning Gorge meaning G.P.S. meaning Grab rails meaning Gradient meaning Gradient wind meaning Granny knot meaning Grapnel meaning Grating meaning Graveyard watch meaning Graving meaning Graving dock meaning Great circle sailing meaning Great circle route meaning Greek winds meaning Greenheart meaning Greenhouse effect meaning Green sea or water meaning Greenwich meaning Gregale meaning Gridiron meaning Grids meaning Gripe meaning Gripes meaning Grommet meaning Gross registered tonnage meaning Gross tonnage meaning Ground meaning Grounding meaning Ground speed (G.S.) meaning Ground swell meaning Ground tackle meaning Groundways meaning Groupage meaning Group flashing light meaning Group occulting light meaning Groyne meaning Grown chock meaning G.R.P. meaning G.R.T. meaning Guard zone meaning Gudgeons meaning Guest warp meaning Gulf meaning Gulf Stream meaning Gunkholing meaning Gunmetal meaning Gun port meaning Gunter rig meaning Gunwale meaning Gusset meaning Gust meaning Gut meaning Gutter ledge meaning Gutterway meaning Guy meaning Guyot meaning Gybe meaning Gybe-ho meaning Gyro compass meaning Gyroscope meaning G.Z. meaning H meaning Hachures meaning Haddock meaning Hague Rules meaning Hague-visby Rules meaning Hail meaning Half-breadth plan meaning Half deck meaning Half mast meaning Half model meaning Half tide meaning Halibut meaning Halliards meaning Halny meaning Halyards meaning Hamburg Rules meaning Hamilton jet meaning Hamsin meaning Hand meaning Hand lead meaning Hand rope meaning Hand over meaning Hand taut meaning Hand the log meaning Handsomely meaning Hand spike meaning Handy billy meaning Handymax meaning Handysize meaning Hanger bolts meaning Hang from the yards meaning Harbour meaning Harbour dues meaning Harbour master meaning Hard patch meaning Hanks meaning Hard meaning Hard chine meaning Harden meaning Hard over meaning Hardwood meaning Harmattan meaning Harness cask meaning Harpin meaning Harpings meaning Has its cable meaning Hatch meaning Hatchway meaning Haven meaning Hauling part meaning Hawse meaning Hawse buckler meaning Hawser-laid meaning Hawse pipe meaning Hawser meaning Hazmat meaning Hazmat code meaning Hazardous material safety data sheet meaning H.B.W. meaning H.C.F.C. meaning H.D.O.P. meaning Head meaning Heading meaning Head board meaning Head log meaning Head room meaning Headreach meaning Head sails meaning Head sea meaning Head-to-wind meaning Head-up meaning Headway meaning Heart meaning Heat exchanger meaning Heat wave meaning Heave, heaving meaning Heave in meaning Heaving line meaning Heave short meaning Heave taut meaning Heave the lead meaning Heave to meaning Heavy-lift vessel meaning Heavy weather meaning Heel meaning Heeling error meaning Heights meaning Helm meaning Helmsman meaning Hemp meaning Herreshoff, N.G. meaning Herringbone deck meaning Hertz (Hz) meaning Hewed meaning High efficiency particulate air (H.E.P.A.) filter meaning Highest astronomical tide meaning High latitudes meaning High pressure system meaning High water meaning High water full and change meaning Hillock meaning Hip towing meaning Hire and drive vessel meaning Hitch meaning H.M.A.S. meaning Hobbie cat meaning Hog meaning Hogged meaning Hogging meaning Hoist meaning Hold meaning Hold fast meaning Holiday meaning Hollow & round meaning Hollow sea meaning Hollow spar meaning Holystone meaning Home meaning Home port meaning H.M.S. meaning H.M.A.S. meaning Hood meaning Hooding-end meaning Hooker meaning Hopper barge meaning Hopper tank meaning Horn meaning Horn cleat meaning Horn timbers meaning Horse meaning Horse latitudes meaning Horsepower meaning Horseshoe plate meaning Hose test meaning Hot frames meaning Hot plug meaning Hounds meaning Houseboat meaning Housed meaning House flag meaning Hovercraft meaning Hove-to meaning Hoy meaning H.P. meaning H.S.A. meaning Hug meaning Hulk meaning Hull meaning Hull down meaning Hull speed meaning Humboldt (Peru) current meaning Humidity meaning Hummock meaning Hurricane meaning Hurricane deck meaning H.W. meaning Hydrology meaning Hydrofoil meaning Hydrography meaning Hydrometer meaning Hydrometeorology meaning Hydroplane meaning Hydrostatic test meaning Hygrometer meaning Hypalon meaning Hyperthermia meaning Hypothermia meaning I meaning I.A.M.S.A.R. meaning I.B.C. meaning Ice-bound meaning Ice breaker meaning Ice doubling meaning I.F.R. meaning I.M.C. meaning I.M.D.G. meaning Immediately dangerous to life, health (I.D.L.H.) meaning I.M.O. meaning Inboard meaning Inboard-outboard meaning Incertfa meaning Inclinometer meaning Index error meaning Indicated air speed (I.A.S.) meaning Inducement meaning Inert gas meaning Inert gas system meaning Inflammable liquids meaning Ingress meaning In irons meaning Initial position error meaning Inland navigation meaning Inland waters meaning Inmarsat meaning Innage meaning Inner bottom meaning Inner jib meaning Inner shell meaning I.S.A. meaning Inshore meaning Inshore traffic zone meaning In stays meaning In stops meaning Insulator meaning Intact stability meaning Intake manifold meaning Intake rose meaning Integrated tow meaning Intercept meaning Intercostals meaning Interfacing meaning Intermodal meaning Intertidal meaning Invertebrate meaning Irish pennant meaning Iroko meaning Iron bark meaning Is. meaning Isherwood system meaning I.S.M. Code meaning Isobar meaning Isobathic meaning Isogonic lines meaning Isometric drawing meaning Isophase meaning Isotherm meaning I.S.P.S. Code meaning Isthmus meaning It. meaning J meaning Jack meaning Jack tar meaning Jacobs ladder meaning Jack staff meaning Jamb meaning Jarrah meaning Jaws meaning Jet meaning Jet stream meaning Jettison meaning Jetty meaning Jewel-fish meaning Jewfish meaning Jews harp meaning Jib meaning Jibboom meaning Jib headed meaning Jib headed sail meaning Jibe meaning Jingadah meaning Joggle meaning John dory meaning Joinery meaning Jolly boat meaning Jolly roger meaning Jonah meaning Journal meaning J.R.C.C. meaning Jumbo derrick meaning Jumboising meaning Jumper stays meaning Jumper struts meaning Jump ship meaning Junk meaning Jury mast meaning Jury rig meaning K meaning Katabatic wind meaning Kauri meaning K.B. meaning Kedge meaning Keel meaning Keelboat meaning Keel hauled meaning Keel cooler meaning Keel rider meaning Keelson meaning Keep a sharp look- out meaning Kelp meaning Kelpie meaning Kelvin meaning Kenter shackle meaning Kentledge meaning Kerf meaning Ketch meaning Kevel (caval) meaning Key meaning K.G. meaning KHz. meaning Kicker meaning Kicking strap meaning Kidd, Captain William meaning Killick meaning King billy pine meaning King plank meaning King post meaning King-spoke meaning Kink meaning Knees meaning Knightheads meaning Knock meaning Knocked down meaning Knot meaning Knots meaning Knuckle meaning Køppen's classification meaning Kort nozzle meaning K.P.I. meaning Kraken meaning Krill meaning Kuroshio (Japan) Current meaning Kymograph meaning L meaning L flag + four numerals meaning Labour meaning Labrador current meaning Lacing meaning Lag meaning Lag bolt meaning Lagoon meaning Larboard meaning Laid-up meaning Laid-up tonnage meaning Lame duck meaning Laminar flow meaning Laminate meaning Lanby meaning Land breeze meaning Land-fall meaning Landing meaning Landing craft meaning Landing strake meaning Landlubber meaning Lane metre meaning Lang’s lay meaning La Niña meaning Lanyard meaning Lap or overlap meaning Lap strake meaning Larch meaning Lash meaning L.A.T. meaning Latitude (Lat.) meaning Launch meaning Law of the sea meaning Lay meaning Lay aloft meaning Laying out meaning Laytime meaning Lazarette meaning Laser meaning Lazy guy meaning L.B.P. meaning L.C.B. meaning L.C.C. meaning L.C.D. meaning L.C.F. meaning L.C.G. meaning L.C.L. meaning L.D.L. meaning Lead meaning Leading edge meaning Leading marks meaning Lead lights meaning Leads in line meaning League meaning Learners guides meaning Leathers meaning Ledges meaning Lee meaning Leeboard meaning Leech meaning Lee helm meaning Lee-ho meaning Lee side meaning Lee shore meaning Leech meaning Leeway meaning Leeward meaning Length between perpendiculars (LPP) meaning Length on the designed load water- line (LWL) meaning Length overall (LOA) meaning Let go meaning Letter-of-marque meaning Levante meaning Levee meaning Libeccio meaning Liberty meaning Libonotos meaning Lifeboat meaning Lifebuoys meaning Lifejacket meaning Lifelights meaning Lifelines meaning Life raft meaning Lift meaning Lift a template meaning Lifting gear meaning Lights meaning Lightening meaning Lightening holes meaning Lightning meaning Lighter meaning Lightship meaning Lightship displacement meaning Lignum vitae meaning Lift strakes meaning Limb meaning Limbers, or Limber holes meaning Line meaning Line haul meaning Liner meaning Lines plan meaning Line squall meaning Linkage meaning Lips meaning List meaning Littoral meaning Lizard meaning L.K.P. meaning L.N.G. carrier meaning Load displacement meaning Load line meaning Load line marks meaning Load water line meaning L.O.A. meaning Lobe meaning Lobster meaning Local hour angle meaning L.O.P. meaning Loch meaning Lock meaning Locker meaning Lockerman meaning Locust wood meaning Lofting meaning Log meaning Log-book meaning Loll meaning Lo-lo meaning Longboat meaning Longitude meaning Longitudinals meaning Longitudinal centre of floatation meaning Longliner meaning Long ship meaning Longshoreman meaning Long ton meaning Lookout meaning Loom meaning Loose meaning Loose-footed meaning L.O.P meaning Lough meaning Lower topsail meaning Lower unit meaning Lowest astronomical tide meaning Low latitudes meaning Low pressure meaning Low water meaning Loxodrome meaning L.P..G meaning L.P.G. carrier meaning L.P.P. meaning L.S.A. meaning Lt. meaning Lubber line meaning Lubrication meaning Luff meaning Luffing meaning Luff rope meaning Lumber meaning Lurch meaning L.U.T. meaning Lute meaning Luting meaning L.W. meaning L.W.L. meaning Lyle gun meaning M meaning Mackerel meaning Madden-Julian Oscillation meaning Made fast meaning Madrepore meaning Magazine meaning Magnetic anomaly meaning Magnetic dip meaning Magnetic equator meaning Magneto meaning Magnetron meaning Magnitude meaning Mahogany meaning Main beam meaning Main body meaning Main deck meaning Main mast meaning Main sail meaning Main saloon meaning Main sheet meaning Mainsheet horse meaning Make colours meaning Make fast meaning Make for meaning Make the course good meaning Make land meaning Make sail meaning Make water meaning Malacca max meaning Mallet meaning Mammal meaning Manifest meaning Manifold meaning Manila meaning Manganese bronze meaning Manger meaning Mangroves meaning Manhole meaning Manning meaning Man-of war meaning Manropes meaning Margin line meaning Margin plate meaning Margin plank meaning Marina meaning Marine borers meaning Marine incident meaning Marine notices meaning Marine orders meaning Marine Safety (Domestic Commercial Vessels) Law Act 2012 meaning Mark meaning Marl meaning Marline meaning Marlin spike meaning Maroon meaning MARPOL meaning Marry meaning Marsh meaning Martingale meaning Mary Celeste meaning Mast meaning Mast butt meaning Mast step meaning Mast table meaning Master meaning Master-at-arms meaning Master mariner meaning Masthead meaning Masthead light meaning Masthead rig meaning Mast partners meaning Mast step meaning Mast thwart meaning Mate meaning Mats meaning Maximum use concentration (M.U.C.) meaning May meaning Mayday meaning Mayflower meaning M.C.A. meaning M.C.C. meaning M.C.T. 1cm meaning Mean meaning Mean high water meaning Measured length meaning Median meaning Mediterranean winds meaning Medivac meaning Medonca, Christophe meaning Medusa meaning Meltemi meaning Menhaden meaning Meranti meaning Merbau meaning Mercantile marine meaning Mercator sailing meaning Varying distance Merchantman meaning Merchant navy meaning Meridian meaning Meridian altitude meaning Mermaid meaning MERSAR meaning Messenger meaning Mess gear meaning Messman meaning Mess room meaning Metacentre (M) meaning Metacentric height (GM) meaning Meteograms meaning Meteorological visibility meaning M.F./H.F. meaning MHz. meaning Middle body meaning Middle staysail meaning Mid latitudes meaning Middle latitude sailing meaning Midships meaning Midship section meaning Midship section area coefficient (CM) meaning Mile meaning Minesweeper meaning Mirage meaning Mirror dinghy meaning Miss-stays meaning Mist meaning Mistral meaning Mizzen meaning Mizzen staysail meaning M.J.O. meaning M.O.B. meaning Modulator meaning Module workbook meaning Mole meaning Mollusc meaning Monkeys fist meaning Monkey island meaning Monkey tail meaning Monocoque meaning Monohedron meaning Monsoon meaning Moonraker meaning Moon sail meaning Moor meaning Mooring meaning Mooring lines meaning Moraine meaning Morass meaning Mother Carey's chickens meaning Motor sailor meaning Motor well meaning Moulded base line meaning Moulded breadth meaning Moulded depth meaning Moulds meaning Moult meaning Mouse meaning Morse code meaning Mozambique current meaning M.S.D.S. meaning M.S.I. meaning M.S.L. meaning M.V. meaning M.T.B. meaning M.T.C. 1cm meaning Mud meaning Mud scow meaning Multi-chine meaning Mullion meaning Mushroom anchor meaning N meaning Na-ak wala meaning Nail sickness meaning Nak meaning Nantucket sleigh ride meaning Narrows meaning Narrow Seas meaning Narwhal meaning National Law meaning Nautical mile (nm) meaning Nautical twilight meaning Naval architecture meaning Naval brass meaning Navicular meaning Navigation meaning Navigation charts meaning Navigational hazards meaning Navigation lights meaning Navarea meaning Navtex meaning Navy meaning N.B.D.P. meaning NC meaning Neaped meaning Neap tides meaning Near Coastal meaning Negative pressure respirator (tight fitting) meaning Negative surge meaning Nelson, Lord Horatio meaning Nesting meaning Non-bulk cargo meaning Neptune meaning Net or register tonnage meaning Névé meaning Nip meaning Nitrogen meaning N.M.E.A. meaning N.M.S.C. meaning Nodal point meaning Non-passenger vessel meaning Northern rivers meaning North-up meaning Norske Veritas meaning North Atlantic Drift meaning North Pacific Drift meaning Notices to mariners meaning Notos meaning Not under command meaning Novel vessel meaning N.S.C.V. meaning N.U.C. meaning Numerals meaning Nuwangk nalae meaning Nuwangk parus meaning N.V.O.C.C. meaning O meaning Oak meaning Oakum meaning Oar meaning Oarlocks meaning Oarweed meaning Oasis meaning O.B.O. ship meaning Observed position meaning Obstruction meaning Ocean meaning Oceania meaning Oceanic meaning Oceanography meaning Occluded front meaning Off and on meaning Offline meaning Offing meaning Offsets meaning Offshore meaning Offshore operations meaning Off the wind meaning Officer of the watch meaning Ogee meaning Ohm meaning Oil bag meaning Oilskins meaning Oily record book meaning Oil tanker meaning Oily water separator meaning Old man meaning On report meaning On-scene endurance meaning On the wind meaning Open meaning Open circuit meaning Operational areas meaning Operational instructions meaning Ordinance meaning Ordinary or regular lay meaning Ordinary seaman meaning Ore carrier meaning Oregon meaning Ore-oil carrier meaning Orlop deck meaning Orthodrome meaning O.S.C. meaning Osmosis meaning O.S.T.A.R. meaning Ostro meaning Otolith meaning O.T.S.I. meaning Outboard meaning Outer jib meaning Outfall meaning Out-haul meaning Out of trim meaning Outrigger meaning Over-all meaning Over board meaning Over carriage meaning Overfalls meaning Overhand knot meaning Overhang meaning Overhaul meaning Overtaking meaning Overtide meaning O.W.S. meaning Oxidation meaning Oxter plate meaning Oxygen meaning Oxygen deficient atmosphere meaning Oyashio (Kamchatka) current meaning Oyster bed meaning Oyster tray meaning Ozone meaning P meaning Pacific rim meaning Packet meaning Paddle wheel effect meaning Pad eye meaning Painter meaning Paints meaning Pair trawler meaning Pallet meaning Palm meaning Pampero meaning Panamax meaning Pan-pan meaning Panting meaning Panting beams meaning P.A.P.R. meaning Parachute flare meaning Parachute spinnaker meaning Parallax meaning Parallel circuit meaning Parallel middle body (LP) meaning Parallel of latitude meaning Parallel rules meaning Parallel sailing meaning Paravane meaning Parbuckle meaning Parcel meaning Parrels meaning Parrotfish meaning Part meaning Partially smooth waters meaning Partners meaning Passage meaning Pass a line meaning Pass a stopper meaning Passenger meaning Passenger vessel meaning Patent anchor meaning Patent log meaning Patent slip meaning Path meaning Pay meaning Pay a seam meaning Pay-off meaning Pay-out meaning P. code meaning Peak meaning Peaks meaning Pendant meaning Per diem meaning Pelagic meaning Pelican hook meaning Pelorus meaning Pennant meaning Perigee meaning Perihelion meaning Petrol engine meaning Permeability meaning P.F.D. meaning Phoenicians meaning Phonetic alphabet meaning Phosphorescence meaning Phytoplankton meaning Pier meaning Pig and whistle meaning Pigs, pig iron meaning Pile meaning Pilot meaning Pilotage meaning Pilot house meaning Pin meaning Pinch meaning Pink, pinkie meaning Pinnace meaning Pintle meaning Pipe berth meaning Piragua meaning Pirate meaning Pitch, pitching meaning Pitch pine meaning Pitch-pole meaning Pitpan meaning Pitting meaning Pixel meaning Plain sailing meaning Plane meaning Plane sailing meaning Planks meaning Planking methods meaning Plankton meaning Platypus meaning Play meaning Plimsoll mark meaning Plot meaning Plotter meaning Plotting a position meaning Plough anchor meaning Plug meaning Plug spanner meaning Plunging meaning Pod meaning P.O.B meaning P.O.E.O. meaning Point meaning Pointing meaning Polacre meaning Polar front meaning Polarity meaning Pole mast meaning Pollywogs meaning Polyethylene meaning Ponente meaning Pontoon meaning Pontoon hatch cover meaning Poop meaning Pooped meaning Poppets meaning Port meaning Port hole meaning Port lids meaning Port of call meaning Port of registry meaning Port side meaning Port tack meaning Possibility area meaning Position fixing instruments & systems meaning Position line meaning Poseidon meaning Posh meaning Positive pressure respirator meaning Pound, pounding meaning Pouring oil on troubled waters meaning Powderhorn sheer meaning Power-driven vessel meaning P.P.I. meaning Practique meaning Pram meaning Precipitation meaning Pressure demand respirator meaning Pressure gradient meaning Preventer meaning P.R.F. meaning Pricker meaning Primary fixing method meaning Primary swell meaning Prime meridian meaning Prime vertical meaning Prismatic coefficient (CP) meaning Privateer meaning Privileged vessel meaning Proa meaning Probability area meaning Product carrier meaning Profile plan meaning Prolonged blast meaning Prop rider meaning Propeller meaning Propeller shaft meaning Prow meaning Psi meaning Puddening meaning Pulpit meaning Pulse meaning Pulse length meaning Punt meaning Purchase meaning Purser meaning Push pit meaning Push rod meaning Pusser’s pound meaning Put to sea meaning Putty meaning P.V.C. meaning Q meaning Q.F.E. meaning Q.N.H. meaning Quadrant meaning Quadrature meaning Qualitative fit test (Q.L.F.T.) meaning Quarantine meaning Quarter meaning Quarter berth meaning Quarter deck meaning Quartering sea meaning Quartermaster meaning Quarters meaning Quarters bill meaning Quay meaning Queensland maple meaning Quick flashing meaning Quick freeze meaning Quintal meaning Quoin meaning R meaning R with three numerals meaning Rabet, Rabbet meaning Race meaning Rack meaning Racking meaning Racon meaning Radar meaning Radar reflector meaning Radiation meaning Radiation fog meaning Radio bearing meaning Radio direction finder (RDF) meaning Radome meaning Raffee meaning Raft meaning Rafting meaning Ragworm meaning Rail meaning Rail mounted gantry meaning Rain meaning Raised deck meaning Rake meaning R.A.M. meaning Ramark meaning Ram bow meaning Range meaning Range of tide meaning Raster scan meaning Rate of burning meaning Ratlines meaning R.C.C. meaning R.C.D.S. meaning Reach meaning Reach rod meaning Reaching spinnaker meaning Ready about meaning Reaming meaning Reciprocal bearing meaning Record book meaning Rectifier meaning Red tide meaning Reed valves meaning Reef meaning Reefer meaning Reefer box meaning Reef knot meaning Reef points meaning Reeve meaning Reference Climate Station (RCS) meaning Refit meaning Refrigerant meaning Refrigerator ship meaning Relative humidity meaning Relief valve meaning Regatta meaning Registry meaning Relay meaning Relief meaning Relieving tackle meaning Render meaning Rescue meaning Research vessel meaning Reserve buoyancy meaning Restricted in her ability to manoeuvre meaning Restricted offshore operations meaning Restricted visibility meaning Return cargo meaning Reverse curve meaning Revetment meaning Rhumb line meaning Ria meaning Rib meaning Ribbands meaning Ribs meaning Ride at anchor meaning Rider bar meaning Riding chock or bower stopper meaning Ridge meaning Rig meaning Rigger meaning Rigging meaning Right meaning Right ascension (RA) meaning Righting moment meaning Right hand ordinary lay (R.H.O.L.) meaning Rips meaning Ringbolt meaning Rise of floor meaning Risk meaning Risk assessment meaning Rivet meaning Rk. meaning R.M.S. meaning R.N.L.I. meaning Roach meaning Roads meaning Roadstead meaning Roaring forties meaning Roberts, Bruce meaning Ro-Ro meaning Rocker meaning Rode meaning Roll meaning Roller fairlead meaning Roller reefing gear meaning Rolling hitch meaning Rolling test meaning Ro-Pax meaning Ro-ro, Roll on-roll off meaning Roman winds and directions meaning Rooster rail meaning Rope meaning Rope yarn meaning Rosie meaning Round bilge meaning Round of beam meaning Round turn meaning Round turn and two half hitches meaning Round up meaning Rowlock meaning Royal meaning Rub rail meaning Rudder meaning Rudder bands meaning Rudder post meaning Rudder stock meaning Rudder trunk meaning Rules of the road meaning Run meaning Runabout meaning Run down meaning Runnel meaning Runner meaning Running backstay meaning Running fix meaning Running lights meaning Running rigging meaning Run on meaning Run out meaning Rust bucket meaning S meaning S flag + two numerals meaning S.A. meaning Sabot meaning Sacrificial anode meaning Saddle meaning Safe haven meaning Safety management systems meaning SafetyNET meaning Safe working load meaning Sag meaning Sagging meaning Sailing free meaning Sail, names of fore and aft meaning Sail, names of square sails meaning Sail, parts of meaning Sail, types of rig meaning Sailings meaning Sailing vessel meaning Salacia meaning Saloon meaning Salted meaning Salterns meaning Salt fish meaning Salvage meaning S.A.L.R. meaning Sampson post meaning Sandwich core meaning Santa Ana meaning S.A.R. meaning S.A.R. datum buoy meaning S.A.R. mission coordinator (SMC) meaning S.A.R. point of contact (SPOC) meaning Sargasso meaning S.A.R.T. meaning Satnav meaning Saturation meaning Sawn chock meaning Sawn frames meaning S band meaning Scale meaning Scanner meaning Scantling meaning Scarf meaning Scend meaning School meaning Schooner meaning Scow meaning Scraper meaning Scud meaning Scull meaning Scupper meaning Scuttle meaning Scuttle butt meaning Scuttles meaning Sea meaning Sea anchor meaning Seabee meaning Sea breeze meaning Sea chest meaning Seacock meaning Sea current (SC) meaning Sea dog meaning Sea going meaning Sea kindly meaning Sea lawyer meaning Seam meaning Seamount meaning Seaplane meaning Seaquake meaning Search endurance (T) meaning Search facility position error (Y) meaning Search pattern meaning Search radius meaning Sea monster meaning Sea room meaning Seas meaning Sea serpent meaning Sea shanties meaning Sea trials meaning Sea urchin meaning Sea wall meaning Sea wasp meaning Sea water strainer meaning Seaweed meaning Seaworthiness meaning Secure meaning Secure for sea meaning Segregation meaning Seiche meaning Seize meaning Selective availability meaning Self-bailing meaning Self-contained breathing apparatus (S.C.B.A.) meaning Self-contained underwater breathing apparatus (S.C.U.B.A.) meaning Self propelled barge meaning Self-steering meaning Semaphore meaning Semi-diurnal tide meaning Sennit meaning Series circuit meaning Serve meaning Service life meaning Settle meaning Set meaning Set flying meaning Set iron meaning Settle meaning Set-up meaning Sextant meaning S.H.A. meaning Shackle meaning Shadow sector meaning Shaft meaning Shaft alley meaning Shaft horsepower meaning Shaft log meaning Shaft tunnel meaning Shakedown cruise meaning Shall meaning Shallop meaning Shallow water effect meaning Shape a course meaning Shanghaied meaning Shank meaning Sharpie meaning Shear legs meaning Shears meaning Sheathing meaning Sheave meaning Sheep-shank meaning Sheer meaning Sheer clamp meaning Sheer plan meaning Sheer strake meaning Sheet meaning Sheet bend meaning Sheet anchor meaning Shell meaning Shellbacks meaning Shell plating meaning Shelter deck meaning Sheltered Waters meaning Shift meaning Shifting boards meaning Shims meaning Shingle meaning Ship meaning Ship chandler meaning Shippers meaning Ship's agent meaning Ship's articles meaning Ship's demurrage meaning Ship’s head up meaning Ship shape meaning Ship shape and Bristol fashion meaning Ship's manifest meaning Ship's stability meaning Ship's tackle meaning Ship's time meaning Shoal meaning Shoe meaning Shore meaning Short board meaning Short circuit meaning Shorten meaning Shorthanded meaning Short stay meaning Short ton meaning Shot meaning Should meaning Shoulder meaning Shove in your oar meaning Showers meaning Shrouds meaning S.H.U. meaning Shunting meaning Shy meaning Side lights meaning Side loader meaning Side scuttles meaning S.I.E.V. meaning Significant wave height meaning Silicon bronze meaning Sills meaning Silencer meaning Simoom meaning Single-handed meaning Single screw meaning Sing out meaning Siren meaning Sirocco meaning Sister hooks meaning Sister ship meaning Sitka spruce meaning Sitrep meaning Six degrees of freedom meaning Skeg meaning Skids meaning Skiff meaning Skin friction meaning Skipper meaning Skyflyer meaning Skylight meaning Sky pilot meaning Skysail meaning Slack meaning Slack water meaning Slalom meaning Slamming meaning Slapping meaning Sleet meaning Slew meaning Sling meaning Slip meaning Slip rope meaning Slocum, Captain Joshua meaning Sloop meaning Slop chest meaning Slops meaning Slop tank meaning Slot meaning Sluice meaning Smack meaning Smart meaning S.M.G. meaning Smog meaning Smothering lines meaning Smooth waters meaning Snap freeze meaning Snatch block meaning Snotter meaning Snow meaning S.N.R. meaning Snub meaning S.O.I. meaning S.O.L.A.S. meaning Soldiers wind meaning Sole meaning Solstice meaning Solvents meaning SOP’s meaning Sound meaning Sounding meaning Southern oscillation index meaning Southwester meaning Span meaning Spanish windlass meaning Spanker meaning Sparks meaning Spars meaning Spate meaning Speak to, Speak with meaning Special personnel meaning Special purpose vessel meaning Speed curve meaning Speed/length ratio meaning Speed log meaning Speed made good meaning Spencer meaning Spikes meaning Spiling meaning Spill meaning Spinnaker meaning Spit meaning Spitfire jib meaning Splash Point meaning Splice meaning Split in wood meaning Split yarn meaning Spoil ground meaning Sponson meaning Spot rate meaning Spotted gum meaning Spray rails meaning Spreader meaning Springs meaning Spring tide meaning Spritsail meaning Spritsail yard meaning Sprung meaning Spry meaning Spunkie meaning Spunyarn meaning Spurling pipe meaning Squall meaning Square sail meaning Squat meaning Squeegee meaning S.R.R. meaning S.R.U. meaning S.S. meaning S.S.T. meaning S.S.T.A. meaning Stack meaning Stall meaning Stabilisers meaning Stability meaning Stagger meaning Staging meaning Stainless steel meaning Stanchions meaning Standard compass meaning Stand by meaning Standing meaning Standing part meaning Standing rigging meaning Stand of the tide meaning Stand on meaning Starboard meaning Stargrazer meaning Start meaning Starting solenoid meaning Station meaning Station pointer meaning Staunch meaning Staves meaning Stay meaning Staysail meaning Staysail schooner meaning S.T.C.W. meaning Steady meaning Stealers meaning Steaming meaning Steerage way meaning St. Elmo’s fire meaning Stem meaning Stemming meaning Stem the tide meaning Step meaning Stern meaning Stern anchor meaning Stern board meaning Stern frame meaning Stern gallery meaning Stern gland meaning Stern-post meaning Stern tube meaning Sternway meaning Stevedore meaning Stiff meaning Stiffener meaning Stitch and glue meaning Stock meaning Stock anchor meaning Stockless anchor meaning Stocks meaning Stopper meaning Stops meaning Stop valve meaning Stopwater meaning Storm meaning Storm warning meaning Stove-in meaning Stow meaning Stowage meaning Stowage factor meaning Stowaway meaning Strake meaning Strand meaning Stranding meaning Stratosphere meaning Stratus cloud meaning Stray-current corrosion meaning Stream anchor meaning Striker meaning Striker plate meaning Stringer meaning Strip meaning Strip planking meaning Strongback meaning Strong wind warning meaning Strop meaning Strum box meaning Strut meaning Strut bearing meaning Studding sail meaning Stuff meaning Submarine meaning Sullage meaning Supercell meaning Supercharger meaning Supercargo meaning Supernumery meaning Superstructure meaning Supplied-air meaning respirator (S.A.R.) or airline respirator meaning Surge meaning S.U.R.P.I.C. meaning Survey meaning S.V. meaning Sverdrup meaning Swab meaning Swage meaning Swageless terminal meaning Swamped meaning Swash bulkhead meaning Swash plates meaning Swash meaning Swashway meaning Sway meaning Sweep meaning Sweep width (W) meaning Swell meaning Swinging circle meaning Swinging straps meaning Swing ship meaning S.W.L. meaning S.W.R. meaning Syncrolift meaning Synoptic surface weather meaning T meaning T flag + four numerals meaning Tabernacle meaning Table of offsets meaning Tabling meaning Tabloid cruiser meaning Tachometer meaning Tack meaning Tackle meaning Tackline meaning Tactical diameter meaning Taff rail meaning Taffrail log meaning Tail meaning Tail off meaning Tail shaft meaning Take a turn meaning Take in meaning Tall ship meaning Tank cleaning meaning Tanker meaning Tang meaning Tare weight meaning Tarpaulin meaning Taut meaning T.C.A. meaning T.C.P.A. meaning T.C.T.S. meaning Teak meaning Telegraph meaning Temper meaning Tender meaning Tender vessel meaning Tenon meaning Tentacle meaning Teredo meaning Territorial waters or sea meaning Test head meaning T.E.U meaning Texts meaning Tide pole meaning Tide rip meaning Tide-rode meaning Tide way meaning Tiller meaning Timber hitch meaning Time signal meaning Time zones meaning Thames measurement meaning Thermometer meaning Thermostat meaning Thimble meaning Thole meaning Thrascias meaning Three sheets to the wind meaning Throttle meaning Through-hull connection meaning Thrust bearing meaning Thruster meaning Thwarts meaning Thwartships meaning Ticket meaning Tidal meaning Tidal bore meaning Tidal wave meaning Tide meaning Tide chart meaning Tide rip meaning Tide rode meaning Tie down meaning Tie rod meaning Tiller meaning Tiller arm meaning Timber meaning Tinny meaning Tinny to tanker meaning T.M. meaning Toe rail meaning Toggle meaning Tonnage meaning Tonnage, gross meaning Tonnage, net meaning Ton register meaning Tons gross meaning Tonnes per centimetre immersion meaning Topgallant meaning Topgallant mast meaning Top-heavy meaning Topmark meaning Topmast meaning Topping lift meaning Topsail meaning Topsail schooner meaning Topsides meaning Tornado meaning Torque meaning Torque wrench meaning Total drift error (De) meaning Total probable error (E) meaning Tow meaning Towing becket meaning Tonnes per centimetre (TPC) meaning T.P.C. meaning Track meaning Tracker ball meaning Track spacing (S) meaning Trade winds meaning Traffic separation zone meaning Training wall meaning Tractor propulsion meaning Trammel meaning Tramontane meaning Tramp ship meaning Transfer meaning Transship meaning Transit meaning Transom meaning Transom cutout meaning Transom knees meaning Transverse meaning Transverse thrust meaning Trap boat meaning Trapeze meaning Traverse sailing meaning Trawl meaning Trawler meaning Treenails meaning Triage meaning Triatic stay meaning Tributary meaning Trice meaning Tricing line meaning Trick meaning Trident meaning Trim meaning Trip meaning Tripping line meaning Trireme meaning Triton meaning Troop ship meaning Tropical cyclone (TRV) meaning Trot meaning Trough meaning Truck meaning True air speed (TAS) meaning True course meaning Trunk cabin meaning Trysail meaning T.S.D.Y. meaning T.S.M.V. meaning Tsunami meaning T.T.G. meaning Tube nest cooler meaning Tuck meaning Tuft meaning Tug meaning Tumblehome meaning Tumblers meaning Tupaia meaning Turbo charger meaning Turn meaning Turn-around meaning Turnbuckle meaning Turn to meaning Turn turtle meaning Turpentine meaning T.V.M.D.C. meaning Tween decks meaning Twilight meaning Twine meaning Twin screw meaning Typhoon meaning U meaning U-boat meaning U.H.F. meaning U.K. meaning U.L.C.C. meaning Ullage meaning Ultraviolet meaning Umbra meaning Umbrella meaning Una rig meaning Unbend meaning Uncertainty Phase meaning Under-deck tonnage meaning Undermanned meaning Undertow meaning Underway meaning Undock meaning Unitization meaning Unlimited domestic operations meaning Unmanned machinery space meaning Up anchor meaning Unreeve meaning Unship meaning Unsettled meaning Unstable air meaning Up and down meaning Up anchor meaning Updraught meaning Upper berth meaning Upper topsail meaning Upper works meaning Upriver meaning Upstream meaning Upwelling meaning Upwind meaning U.S. meaning U.S.L. Code meaning U.T.C. meaning V meaning V flag + two numerals meaning Valhalla meaning Valkyrie meaning Valley meaning Van Diemen meaning Vang meaning Vapour meaning Variation meaning Varnish meaning Vast meaning V-bottom meaning V.B.W. meaning V.C.G. meaning V-drive meaning Vector diagram meaning Veer meaning Vendaval meaning Ventilation meaning Ventilator meaning Ventilator cowl meaning Vernal equinox meaning Vertical clearance meaning Vessel meaning Vessel engaged in fishing meaning Vessel manifest meaning Vessel traffic management system meaning V.F.R. meaning V.H.F. meaning Vigia meaning Vikings meaning Virga meaning Visor meaning V.L.C.C. meaning V.L.O.C. meaning Vlieboot meaning V.M.C. meaning V.M.R.C. meaning Voice tube meaning Volt meaning Voltmeter meaning Vortex meaning Voyage meaning V.R.M. meaning V.S.A. meaning V-Sheet meaning V.T.M.S. meaning V.T.S. meaning W meaning Wa meaning Waist meaning Waka meaning Wake meaning Walap meaning Wale meaning Walk back meaning Walkers patent log meaning Walk out meaning Wardroom meaning Warm front meaning Warp, warped meaning Wash meaning Washboards meaning Wash bulkhead meaning W.A.S.P. meaning Waste meaning Watch meaning Watch cap meaning Watch officer meaning Water meaning Water breaker meaning Water cycle meaning Waterlines meaning Waterline length meaning Waterlogged meaning Water-plane area coefficient (CWP) meaning Watershed meaning Water spout meaning Watertight meaning Watertight bulkhead meaning Watertight integrity meaning Waterway meaning Watt meaning Wave meaning Waveguide meaning Way meaning Waybill meaning Waypoint meaning Waypoint positions meaning Weather meaning Weather-bound meaning Weather deck meaning Weather eye meaning Weather gauge meaning Weather helm meaning Weather side meaning Weather tide meaning Weathertight meaning Web meaning Web frame meaning Wedges meaning Weep meaning Weigh meaning Weir meaning Weld meaning Weld bead meaning Well deck meaning Well found meaning West Australian current meaning Western red cedar meaning West Wind Drift meaning Wet-bulb temperature meaning Wet exhaust meaning Wetted surface meaning W.G.S. meaning W.G.S.84 meaning Whale back meaning Whaleboat meaning Whaler meaning Wharf meaning Wharfage meaning Wharfinger meaning Wharram, James meaning Wheel meaning Wherry meaning Whirlpool meaning Whip meaning Whisker-pole meaning Whiskers meaning White cap meaning White horses meaning Whites meaning White squall meaning Wide berth meaning W.I.G. meaning Wildcat meaning Willy-willy meaning Winch meaning Wind meaning Windage meaning Wind-corrected heading meaning Wind current (WC) meaning Wind direction meaning Windlass meaning Wind-rode meaning Wind scoop meaning Wind shear meaning Wind speed meaning Windward meaning Wing meaning Wing-and-wing meaning Wing passage meaning Wing tank meaning Winter zone meaning Wiper meaning Wk. meaning W.P.T. meaning Work meaning Worm, parcel and serve meaning Worse happens at sea meaning Wreckers meaning Wriggle meaning X meaning X-band meaning Xebec meaning Xenon meaning X.T.E. meaning Y meaning Yacht meaning Yankee jib meaning Yard meaning Yard arm meaning Yarn meaning Yaw meaning Yawl meaning Yield stress meaning Yonker meaning Z meaning Zapato meaning Z bar meaning Z drive meaning Z flag + four numerals meaning Zenith (Z) meaning Zenith distance (ZD) meaning Zephyr meaning Zephyrus meaning Zig meaning Zinc (Zn) meaning Zodiac meaning Zonal flow meaning Zonda meaning Zone meaning Zone time (ZT) meaning Zooid meaning Zoophyte meaning Zooplankton meaning Zoospore meaning Zulu meaning

 

Glossary of maritime terms meanings

 

Glossary of maritime terms meanings

 

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Glossary of maritime terms meanings

 

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Glossary of maritime terms meanings