Glossary
  of terms you may see on these pages
  - ABACK
 - - The situation of the sails when their surfaces are pressed aft against the mast by the force of the wind.
 - ABAFT
 - - (see AFT)
 - ABEAM
 - - Directly alongside a vessel
 - ABOARD
 - - The inside of a ship
 - ABOUT
 - - The situation of a vessel as soon as she has tacked, or changed her course
 - ABREAST
 - - Two or more vessels, lying with their sides parallel, and their heads equally advanced
 - ADMEASUREMENT
 - - Relative proportions of a vessel representing her legal measurements and used for documentation
 - ADRIFT
 - - Broken from her moorings and drifting about without control
 - AFLOAT
 - - buoyed up by the water
 - AFORE
 - - All that part of a vessel that lies forward, or near the stem
 - AFT (or after)
 - - Toward the rear of a vessel
 - AFTER END
 - - The stern
 - AFTERMAST
 -  - The mast set closest to the stern in a sailing ship carrying multiple masts;
also called the mizzenmast in a three-masted sailing vessel - AFOUL
 - - Tangled with, or in a collision with
 - AGROUND
 - - When a vessel bottom, or any part of it, is lodged in the bottom or on the shore and cannot get off
 - A-HULL
 - - When all the sails are furled, and her helm is lashed to the lee side; by which she lies nearly with her side to the wind and sea, her head being somewhat inclined of the wind.
 - ALEE
 - - The position of the helm when it is put down to the lee side.
 - ALL IN THE WIND
 - - The state of the sails when they are parallel to the direction of the wind, so as to shake or shiver
 - AMIDSHIPS (or midships)
 - - In the middle portion of the ship, along the line of the keel
 - ANCHORAGE
 - - Place where a boat may anchor
 - ANCHOR LIGHT
 - - Single white light hoisted when a vessel is moored.
 - ANCHOR WATCH
 - - Watch kept when a vessel is moored to a buoy or anchored.
 - ATHWARTSHIP
 - - Across the ship at right angles to the keel
 - AWASH
 - - So low in the water that the water is constantly washing across the surface
 - AVAST
 - - To stop
 - AWEIGH
 - - When the anchor is off the bottom
 - BACK
 - - (1) Ship's spine or keel
 - BACK THE ANCHOR
 - - Carry out a small anchor ahead of the large one, in order to support it in bad ground, and prevent it from loosening
 - BACK THE SAILS
 - - Arrange them in a situation which will cause the ship to move astern
 - BACKED
 - - When the wind changes anti-clockwise
 -  BAGPIPE THE MIZZEN
 - - Lay it aback, by bringing the sheet to the mizzen shrouds
 - BALLAST TANK
 - - Device used to control buoyancy and stability
 - BARE POLES
 - - Having no sail set
 - BARGE
 - - vessel having no power of its own and needs to be towed
 - BARKENTINE
 - - Three masted ship with the foremast square-rigged and the mainmast and mizzenmast fore-and-aft rigged
 - BARQUE (BARK)
 - - A three to five masted ship with foremast and mainmast square-rigged and mizzenmast fore-and-aft rigged
 - BATTEN
 - - Strip of wood used to fasten the edge of a tarpaulin to a hatch coaming
 - BEAM
 - - Width of a vessel at the widest point
 - BEAM ENDS
 - - Sides of a vessel
 - BEATING
 - - Going toward the direction of the wind by alternate tacks
 - BERTH
 - - Cabin or apartment. Anchorage or place alongside a wharf for a vessel.
 - BILGE
 - - Rounded lower portion of the hull; the recess in the bottom of a ship which all water drains into
 - BINNACLE
 - - A case or stand containing the ship's compass and a lamp
 - BITT
 - - Vertical post strongly bolted to the deck and used in making lines fast
 - BOAT
 - - A ship is called a BOAT on the Great Lakes
 - BOAT DECK
 - - The deck on which lifeboats are kept
 - BOATSWAIN / BOS'N
 - - Officer in charge of anchors, rigging, etc.
 - BOBSTAY
 - - A strong rope, chain or rod that exerts downward tension on a bowsprit to counteract the pull of the foresay
 - BOILERHOUSE
 - - Passageway above the boilers, immediately under the smokestack
 - BOOM
 - - Long spar used to extend the horizontal foot of a sail
 - BOW
 - - Front of a boat
 - BOWSPRIT
 - - A large mast or piece of timber which stands out from the bow
 - BREADTH
 - - The width or beam of a vessel at the deck's widest point
 - BREAKER
 - - A wave that piles up high enough for the top to cascade down the leading face.
 - BREAKWALL / BREAKWATER
 - - Artificial wall of concrete or stone built to protect a harbor from heavy waves
 - BREECHES BUOY
 - - Lifesaving device. Lines are fired out to shipwreck with a Lyle Gun and survivors are lifted to safety in a suspended harness, much like a pair of men's breeches.
 - BRIDGE WING
 - - Narrow walkway that extends outward from both sides of the pilothouse. Used by officers when docking or maneuvering in locks or narrow waterways
 - BRIGANTINE/ or BRIG
 - - Two masted ship with a square-rigged fore mast and fore-and-aft rigged aft mast
 - BROACH TO
 - - To turn the vessel broadside to heavy seas, or to lose control of steering in following seas so that the vessel is turned broadside to the waves..
 - BULKHEAD
 - - Wall like partition that divides a boat's hull
 - BULWARKS
 - - Wood work around a vessel above deck
 - BUNKER
 - - Compartment where a boat's fuel is stored
 - BUNTLINES
 - - Ropes used for raising sails
 - BUOY
 - - Caution marker
 - BUOYANCY
 - - The ability to float
 - BUTT
 - - Where the end of a plank unites with the end of another
 - BY THE BOARD
 - - When the masts of a vessel fall over the side
 - CANALLER
 - - Vessel built specially to navigate the locks in the old Welland Canal
 - CANT
 - - To incline
 - CAP
 - - A strong, thick block of wood having two large holes through it, the one square, the other round; used to confine the two masts together
 - CAPSTAN
 - - Device on the deck used for heaving heavy objects such as chains or anchors
 - CAT-HEAD
 - - Timbers on on a ship's bows, with sheaves in them, by which the anchor is hoisted, after it has been hove up by the cable.
 - CAT THE ANCHOR
 - - Hook the cat-block to the ring of the anchor, and haul it up close to the cat-head.
 - CATWALK
 - - Narrow walkway on vessels or piers.
 - CAULKING
 - - Filling the seams of a ship with oakum.
 - CENTERBOARD
 - - Thin board able to be lowered through the keel, to counteract the tendency of a sailing ship to move sidways.
 - CHADBURN
 - - Telegraph device used to signal from the bridge to the engine room
 - CHAIN LOCKER
 - - Place below the windlass where cables are stowed.
 - CHAIN PIPE
 - - A pipe through which an anchor chain is passed from the deck to a stowage compartment
 - CHOCK
 - - Heavy iron fitting through which a rope or hawser is passed
 - CLOSE HAULED
 - - Steering as close to the course as the wind will allow keeping the weather clew of the upper sail lifting.
 - COAMING
 - - Verticle edge of a hatch or skylight
 - COMBER
 - - A long curling wave.
 - CONSORT
 - - Cargo vessel with no power of its own, towed by a steam barge or a steamer; usually a schooner-barge.
 - COSTON FLARE / COSTON SIGNAL
 - - Flare or rocket used at night as a distress signal
 - CROSS-TREES
 - - Wooden or metal bars joined crosswise on the mast to support sails and rigging
 - DAVIT
 - - Curved iron support boom used to swing out and lower lifeboats
 - DEAD LIGHTS
 - - A type of window shutter in the stern of the ship, used only in very bad weather
 - DEAD RECKONING
 - - Calculating the course of a boat from only the speed, heading, and time.
 - DECK
 - - Flat upper surface of a ship
 - DECK HOUSE
 - - Shelter built on deck
 - DEEP SOUNDING LEAD
 - - A heavy lead attached to a line of 100 or more fathoms
 - DEPTH
 - - A measurement inside the hull from the underside of the deck to the top of the keel
 - DERELICT
 - - Ship adrift at sea without a crew
 - DISPLACEMENT
 - - The weight of water a boat displaces
 - DOG WATCHES
 - - From 4 p.m. to 6 p.m. and 6 p.m. to 8 p.m.
 - DONKEY BOILER
 - - Produces steam for uses other than propulsion, such as steering or heating.
 - DOWN BOUND
 - - On the Great Lakes, travelling from the northern lakes toward the southern lakes
 - DRAFT
 - - The distance from the water line to the bottom of the hull; depth of water required for a vessel to float
 - DUNNAGE
 - - Loose wood, etc., laid in the bottom of the hold to keep cargo from being damaged
 - EARINGS
 - - Small ropes used to fasten the upper corners of sails to the yards
 - ENSIGN
 - - Flag worn at the stern
 - EVEN KEEL
 - - Having the keel parallel with the horizon
 - FANTAIL
 - - The stern overhang of a vessel
 - FATHOM
 - - 1 fathom = 6 feet
 - FETCH UP
 - - To hold in place, catch hold or run aground
 - FIREHOLD
 - - Part of the engine room where boiler fires are fed
 - FLICKER
 - - Carferry term for crew's quarters
 - FLYING BRIDGE
 - - An area above the pilothouse used as an operating station by officers during good weather
 - FOLLOWING SEA
 - - Waves coming from behind.
 - FORE and AFT
 - - Throughout the entire ship's length
 - FORECASTLE (FO'C'SLE)
 - - Raised part of a boat's bow containing crew quarters
 - FOREMAST
 - - Mast nearest the bow of a ship
 - FOREPEAK
 - - Large compartment just aft of the bow in the lower part of the ship
 - FORESAIL
 - - Principal sail on the foremast of a schooner
 - FORESTAY
 - - A stay from the foremast to the foredeck or bow of a ship
 - FOREWARD
 - - Towards the bow of the ship
 - FOREYARD
 - - The lower yard on the foremast.
 - FOUNDER
 - - Sink in a disastrous way
 - FREEBOARD
 - - Amount of a vessel's hull that is out of the water
 - FRESHEN
 - - Increase in a gale
 - FUNNEL
 - Smokestack of a vessel
 - FURL
 - - To wrap or roll a sail close up to the yard or stay and secure it in place
 - GAFF
 - - The upper spar of a fore-and-aft sail
 - GALE
 -  - A strong wind, rated depending on velocity
moderate (32 - 38 mph), fresh (39 - 46 mph),
strong (47 - 54 mph), whole (55 - 63 mph) - GALLEY
 - - Kitchen of a vessel
 - GAS BUOY
 - - Metal buoy filled with compressed illuminating gas with a lantern on top that burns day and night
 - GROSS TONNAGE
 - - Total internal capacity of a ship reckoned at 100 cu. ft. per ton
 - GUNWALE
 - - Upper rail of a boat or vessel
 - GYRO-COMPASS
 - - Compass operated by means of a gyroscope which indicates true north instead of magnetic north
 - HALLIARD / HALYARD
 - - Ropes by which the sails are hoisted
 - HARD OVER
 - - Turning the helm as far as possible
 - HATCH
 - - The cover for a hatchway
 - HATCHWAY
 - - Opening in the deck, usually for loading cargo.
 - HAWSER
 - - Anchor or towing line; cable, chain or heavy rope.
 - HEAD SAILS
 - - All sails set forward of the foremast and usually secured to the bowsprit.
 - HEAVE-TO
 - - Stopping a vessel by setting the sails against one another so that she makes no progress.
 - HEAVY WEATHER
 - - Strong winds with large waves
 - HEEL
 - - Lean to one side
 - HELM
 - - Instrument by which the vessel is steered. Includes both the wheel and tiller as one general term
 - HELMSMAN
 - - (see Wheelsman)
 - HOGGED
 - - When the ends of a vessel are depressed from the level of the midships portion.
 - HOLD, HOLDS
 - - Space inside a vessel where cargo or supplies are carried
 - HULL
 - - Frame or body of a vessel.
 - HURRICANE DECK
 - - The highest deck.
 - INBOARD
 - - Inside or toward the center of the ship
 - JACOBS LADDER
 - - A light rope ladder with wooden steps
 - JETTISON
 - - To throw cargo or heavy gear overboard in order to lighten a vessel.
 - JIB
 - - Foremost sail
 - JIB BOOM
 - - A spar used to extend the length of a bowsprit on sailing ships.
 - JIB SAIL
 - - Small triangular sail forward of a ship's foremast
 - KEDGE
 - - Small anchor with an iron stock
 - KEEL
 - - supporting beam that runs the length of a boat's bottom
 - KEELSON
 - - Fore and aft timber placed over the keel to strengthen it
 - KNEES
 - - Angled or curved pieces of iron or wood used to connect the beams of a vessel to her timbers.
 - KNOT
 - - Naut. a unit of speed of one nautical mile (6,076.12 feet) an hour, approximately 1.15 mph
 - LABOUR
 - - To roll and pitch heavily.
 - LANYARDS
 - - Ropes passed through dead eyes for setting up rigging
 - LARBOARD
 - - Left side, looking towards the head
 - LEAD
 - - Weight attached to a line for use in sounding
 - LEE
 - - Direction that the wind is blowing to
 - LEEWARD
 - - The direction in which the wind is blowing
 - LENGTH OVER ALL (LOA)
 - - Length of a ship from the stem to the aftermost point of the stern
 - Lie-To
 - - (See heave-to)
 - LIFE PRESERVER
 - - A buoyant canvas vest used to keep a person afloat
 - LIFESAVER
 - - A member of the Lifesaving Service
 - LIST
 - - tilt to one side
 - LIGHTER
 - - To remove cargo.
 - LUFF
 - To put the helm over to bring the vessel closer to the wind. The weather edge of a fore and aft sail.
 - LURCH
 - - Sudden rolling of a vessel to one side
 - MARTINGALE
 - - A heavy stay directly below the bowsprit, often the strongest on a ship. Frequently made of chain.
 - MASTER
 - - Commander or captain of a ship
 - MATE
 - - Deck officer ranking below the captain
 - MESSROOM
 - - Dining room of a ship
 - MIZZENMAST
 - - The third mast back from the bow
 - MOLDED DEPTH
 - - Distance from the top of the keel to the top of the upper deck amidships
 - NAUTICAL MILE
 - - One minute of latitude or about 1.15 statute miles
 - OAKUM
 - - Old rope, untwisted and pulled open, to use for caulking seams of ships.
 - PAINTER
 - - The line attached to the bow of a yawl boat or dinghy
 - PILOTHOUSE
 - - small "D" shaped room, having large windows along the curved portion, that sits atop the Texas deck and contains the engine order telegraph, chart table, compass, and steering wheel
 - PLIMSOLL MARK
 - - Line indicating the maximum depth to which a vessel may be loaded.
 - POINT
 - - One of 32 equal divisions of the compass card, each point containing 11 degrees, 15 minutes of arc
 - PORT SIDE
 - - Left side
 - PORT TACK
 - - Sailing close to the wind with it blowing on the port side of the vessel.
 - QUARTERDECK
 - - The part of a vessel's upper deck near the stern
 - RATLINES
 - - Small ropes fastened to the shouds by which the crew go aloft
 - REEF
 -  - Part of a sail, from one eyelet row to another
- To shorten sail by reducing the exposed area
- Chain of rocks lying near the surface of the water - RIGGING
 - - All ropes, shrouds, stays, halyards &c. attached to the masts or yards.
 - SALTIE
 - - Ocean going vessel that visits the Great Lakes
 - SCHOONER
 - - Sailing vessel having two or more masts, rigged fore and aft.
 - SCHOONER-BARGE
 - - Sailing vessel that is usually towed
 - SCOW
 - - Square-built vessel with flat sides and usually a flat bottom.
 - SCOW-SCHOONER
 - - Schooner with shallow draft and boxy appearance.
 - SCREW
 - - Propeller
 - SCUD
 - - To move quickly in a straight line because or as if driven by the wind.
 - SCUPPER
 - - Holes through which water runs from the deck
 - SCUTTLE
 -  - Hole cut in the deck for use as a doorway
- Hole cut in the hull to make a vessel sink - SEAMS
 - - Space between planks in a vessel's hull or deck
 - SHEER
 - - Longitudinal curve of the deck or gunwale.
 - SHEETS
 - - Ropes used in working a sail
 - SHIP WATER
 - - To take in water through a leak or break
 - SHOE
 -  - A false keel
- Projection of the keel abaft the stern frame where the spindle of the rudder rests. - SHROUDS
 - - Range of large ropes extended from the mast-heads to both sides of a ship, to support the masts, and enable them to carry sail.
 - SLOOP
 - - Small sailing craft, usually less than 40 ft in length, with only one mast.
 - SOUND
 - - To try the depth of water by use of a sounding line, marked at depth ranges.
 - SPAR
 - - Mast
 - SPARDECK
 - - Maindeck through which cargo is loaded
 - SPRING A MAST, YARD, etc.
 - - To crack by strain in a gale, rendering it unsafe for use
 - SQUALL
 - - Sudden, violent blast of wind
 - STARBOARD
 - - Right side
 - STEERING POLE
 - - A light spar extending from the bow of a vessel, which can be raised or lowered, and which is used to aid the wheelsman in navigation
 - STEM
 - - Piece of timber into which both sides of a ship are united at the fore end
 - STERN
 - - Rear of a boat
 - STRAND
 - - To become stuck on a beach or obstruction.
 - TACK
 - - To work a vessel against the wind by special use of the sails and running on angles first to starboard, then to port
 - TAFFRAIL
 - - The aftermost railing around the stern of a ship, often ornately carved.
 - TEXAS DECK
 - - Deck on which the pilothouse is mounted
 - TONNAGE
 - - 1. Displacement Tonnage: total weight of a vessel
 - - 2. Gross Tonnage: a function of the volume of all a boat's internal spaces
 - TOPSAIL
 - - Second sail above the deck
 - TOPGALLANT SAIL
 - - Third sail above the deck
 - TROUGH
 - - The low point between two waves.
 - TRYSAIL
 - - Fore-and-aft sail set with a boom and gaff mounted on a small mast below the lower mast
 - TURN TURTLE
 - - Capsize
 - WARP
 - - Move a vessel with the aid of a rope made fast to a fixed object
 - WEATHER DECK
 - - Deck having no overhead protection
 - WEATHER RAIL
 - - The boat rail on the up wind side of the boat. The higher rail
 -  WHEELSMAN / WHEELSMEN
 - - As the name implies, the person or persons whose usual job it is to steer the vessel
 - WINDLASS
 - - A winch, esp. one worked by a crank
 - WINDLASS ROOM
 - - triangular space enclosed within the bow of a vessel where the anchor windlasses are located
 - YAWL
 - - Small rowboat or lifeboat
 
  



