* A B C
D E F G
H I J K
L M N O
P Q R S
T U V W
X Y Z
Abaft: Towards the rear (stern) of the boat.
About: To go about is to change the course of a ship by
tacking (Zig-zagging manouever to sail directly towards the wind.) Ready about, or
boutship, is the order to prepare for tacking.
Aft deck: On a motoryacht, the guest area closest to the back of the boat on the main level. Often the location of the main outdoor dining area.
Amidships: In or towards the center of a boat or ship.
Backstay: A support for the mast to keep it from falling forward.
Bailer: Handheld device for removing water that has entered the boat.
Ballast: Weight in a boat's keel to keep the vessel upright. Ballast
is often lead or
Beam: The greatest width of the boat.
charter: A yacht that comes with a captain but no additional crew. The captain drives the yacht, and you take care of everything else, including cooking and housekeeping. Often called Bareboat with Skipper.
Cabin: Enclosed room on a deck or flat. Nautical term for a
Canal boat: Specialized watercraft designed for operation on a
canal, often with narrow with a shallow draught.
Catamaran: A twin-hulled boat, with hulls side by side.
Davit: Lifting device used on the bow of a vessel to raise an anchor, and a pair are used on the side or stern of the vessel to raise a dinghy.
Dead ahead: Directly ahead or directly in front.
Dinghy: A small boat that a yacht carries or tows. Used for transfers to and from shore, and short day cruises and, if powerful enough, water sports. Also typically called a tender on larger yachts.
Displacement: The weight of water displaced by a floating vessel
- the boat's weight.
Earrings: Small lines, by which the uppermost corners of the largest sails are secured to the yardarms.
Ebb Tide: A receding tide.
Ensign: The main flag or banner flown by a ship to show her nationality.
Express Cruiser: A cruising boat or yacht without a deck-level salon. Sometimes
classified as a sunbridge cruiser.
Fathom: Depth measurement equalling six feet.
Fender: A protective cushion, placed between boats, or between a boat and a pier, to prevent
damage to the hull.
Fetch: The distance across a stretch of water which wind or waves have
Following Sea: An overtaking sea coming from astern.
Galley: The kitchen/cooking area on a yacht.
Gear: A general term for ropes, blocks, tackle, other sailing and
Glass: A marine barometer.
Gunwale: The upper edge of the boat's sides.
Halyard: Line (rope) used to hoist a sail.
Harbour Master: The lead person at a harbour in charge of anchorages, berths and
Hatch: A deck opening.
Hawser: Large rope, often made of steel, used for mooring or towing a vessel.
Idlers: Members of a ship's company not required to serve watches.
They were usually in specialist trades such as sail-making and carpentry.
An engine mounted within the hull of a vessel, used in larger motor
rate: The cost of a charter that includes nearly all expenses, including the yacht and crew, food, alcohol (within reason), fuel and dockage.
Inflatable: Capable of being inflated with air, e.g. life raft or life vest.
Plate: A mounting device for an outboard motor that enables operators to vertically raise or lower the motor, thereby controlling propeller depth in the water.
Jib: Triangular sail projecting ahead of the
Jonah: A person - sailor or
passenger - whose presence on board could bring bad luck and endanger the ship.
The name derives from Jonah or Jonas an 8th Century prophet who was
swallowed by a whale.
The bottom-most portion or longitudinal centerline of the hull of a
Ketch: A two-masted fore-and-aft rigged sailboat with the aft mast (the mizzen) mounted (stepped) afore (in front of) the rudder.
Kicker Motor: A small additional outboard motor.
Knot: Boat speed measured in nautical miles per hour.
Laminate: A single layer of material used in multi-layered
fiber-glass boat building.
Old-fashioned and obsolete term for the left (port) side of a ship.
Latitude: The distance north or south of the equator measured in degrees.
Lee: The direction toward which the wind blows.
Mainsail: The largest regular sail on a sailboat.
Make Fast: To secure a line.
Mariner: General term for a sailor.
Marlinspike: A tool used for opening the strands of a rope prior to
Narrows: A narrow part of a navigable
waterway e.g. Verrazano–Narrows Bridge connecting the New York City boroughs of Staten Island and Brooklyn.
Nautical mile: A distance of 6,076.12 feet or 1,852 meters, which is about 15 percent longer than a statute mile. Equivalent to one minute of latitude on a navigation chart.
Naval Programme: A system of authorizing naval construction by an annual bill in Parliament.
Navigation: The science and activity of conducting a boat from one point to another.
Oilskins: Waterproof clothing worn by sailors.
Old salt: Slang for an experienced, time-served mariner.
On the hard: A boat that has been hauled or hoisted from the water, and is now sitting on dry land.
A person who owns and skippers a charter yacht, instead of hiring a captain to perform charters for guests.
small rope attached to the bow of a yacht dinghy, often used to tow the dingy or
moor it to a jetty.
Passarelle: The passageway you walk on from the dock to the yacht. Often incorrectly called a gangplank.
Planning Hull: A type of hull designed to glide across the water at high
Port: The left side of a boat looking forward.
The after side of a vessel from amidships to the stern.
Living and sleeping sections on a boat.
Quayside: An area alongside a quay.
Many marina quaysides will offer support services such as electric and
Queen's (King's) Regulations:
The standing orders governing the Royal Navy of UK issued in the name of the current Monarch.
Reach: To sail across the wind.
Red Duster: Traditional nickname for the Red Ensign, the civil ensign (flag) carried by
UK civilian and merchant vessels.
Line, chain, cable or any combination of these used to connect an anchor to
Underwater fin mounted below the hull near the stern that controls
steering on a boat.
To slide or drift off course.
Sailing yacht: A yacht whose primary method of propulsion is sails. Nearly all sailing yachts have engines in addition to their sails.
Sail loft: A large open space used by traditional sail-makers to spread out
sails for manufacture repair.
A large sailboat with two or more masts where the foremast is shorter than aft mainmast.
Tack (sail): The lower corner of a sail.
Tender: Small boat used to go to and from a larger vessel
Thwart: A bench seat across the width of an open rowing boat.
Transom: The rear section of the hull connecting the two sides.
A longer sea voyage, typically undertaken single-handed, with no intermediate port stops or
assistance from external sources.
Under the weather:
Serving a watch on the weather side of the ship, exposed to wind and spray.
Underway: A boat in motion.
Utility boat: A type of small, open powerboat, including skiffs and work boats.
V-hull: The shape of a boat or ship in which the
hull contours taper in a straight line to the keel.
The maximum degree of heel after which a vessel becomes unable to return to an upright position.
Variation: A compass variable that accounts for the difference in degrees between true north and magnetic north.
Wake: Water turbulence behind a ship.
Walkaround: A type of
utility offshore fishing boat with a small to mid-size cabin and a perimeter deck
that allows easy passage for fishermen to walk around the whole boat.
Weigh anchor: To lift or winch up (an anchor) before sailing.
Xebec, also spelled
zebec: was a Mediterranean sailing ship that was used mostly for trading.
(Editors Note: This may be the only nautical glossary section which has a
term beginning with the letter X?)
Yard: The horizontal spar from which a square sail is suspended.
Yarr: Acknowledgement of an order, or agreement, on board a vessel.
Aye, aye is more common.
Zero-speed stabilizers: The most sophisticated type of motoryacht stabilizers that keep the yacht from rolling both under way and at anchor, significantly improving their comfort.