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The Dictionary of English Nautical Language Database: Search Results

  Your search returned 146 matches.
 Pages: [<<] 1 2 3 4 5 6 [>>]
Term: designated anchorage (n)
Definition: A protected waterway clearly marked on local charts, lying clear of navigation channels and offering adequate depth and good holding ground where boats may anchor.

Term: designer (n)
Definition: One who conceives new plans for the construction of vessels, and illustrates his ideas in scale drawings of the lines, rigging, and construction details.
See Also: marine architect

Term: destroyer (n)
Definition: A small fast warship armed with missiles, mines, torpedoes, depth charges and guns, usually employed as an escort to protect larger ships, and to attack submarines.

Term: destroyer escort (n)
Definition: A fast warship, somewhat smaller than a destroyer, and used for the same purposes.
See Also: destroyer

Term: detail (n)
Definition: 1) A small task or category of tasks on board ship; as in: “She was assigned the laundry detail.” 2) A small group of crew members assigned to perform a specific task; as in: “Send a detail ashore to fetch the stores.”

Term: detent (n)
Definition: A catch on a mechanical capstan which keeps it from rotating. A notch in a ratchet.

Term: deviation (n)
Definition: The difference between the compass indication of a magnetic course and the actual course, usually caused by magnetic influences of the ship, as in: “When changes are made to a ship, it is important to swing the compass and determine if the deviation has changed.” Such deflections of the ship’s compass can be determined by swinging the compass.
See Also: swing the compass, variation, compass error

Term: deviation card (n)
Definition: A record of the amount of deflection of a ship’s compass caused by local magnetic effects, showing values for eight or more points of sailing; as in: “Keep a copy of the deviation card posted at the navigation station for easy reference.”
See Also: variation

Term: devil (n)
Definition: The longest seam between planks of a wooden vessel, located between the underwater part of the hull and the freeboard, so named by sailors because it is by far the most difficult to work on.

Term: devil to pay (obj)
Definition: An arduous, unpleasant task, from the seaman's worst job: to pay (seal with tar or resin) the devil (the most difficult seam to caulk).
See Also: devil, pay

Term: dew point (n)
Definition: The temperature relative to atmospheric pressure at which moisture begins to condense and form vapour, mist or fog.

Term: dhow (n)
Definition: An Arab sailing vessel of the Indian Ocean characterised by lateen rig, a long overhang forward, a low waist and high poop.

Term: diagonals (n)
Definition: Pairs of sloping straight lines on a section view of design drawings of a boat, which meet at the centerline When these planes are superimposed on the half breadth plan they reveal long sweeping lines that help the designer fair the shape of the hull.

Term: diesel engine (n)
Definition: An internal combustion engine in which the compression alone is sufficient to ignite the fuel-air mixture without the use of a spark, and in which the fuel is sprayed into the combustion chamber by spring loaded injectors. The diesel engine operates efficiently at a constant speed for prolonged periods and employs a less flammable fuel.

Term: digital (adj)
Definition: Pertaining to a readout from an instrument displayed in numbers or digits rather than by a dial and pointer; as in: “The SATNAV has a digital display.”
See Also: analog

Term: dildos (n)
Definition: Wooden pegs mounted in the gunwales of rowing boats against which the oars were braced.
See Also: thole pins, oarlocks

Term: dinghy (n)
Definition: 1) A small boat carried on a larger vessel as a launch or lifeboat, usually powered by oars, sail, or small outboard motor; as in: “Shall we tow the dinghy or bring it aboard?” 2) In India, a rowboat or small sailboat.
See Also: launch, boat

Term: dink (n)
Definition: Slang term for dinghy.

Term: dip (v)
Definition: 1) To lower the flag and immediately raise it again as a salute; as in: “Remember to dip the flag when you sail past the commodore.” 2) To swing the boom of a dipping lug rig around the mast when tacking

Term: dip (n)
Definition: The angle formed between the horizon and a line from the needle of a magnetic compass mounted vertically or, the angle between the observer’s horizon and a direct line through the earth to the magnetic pole.

Term: dip (adv)
Definition: The location of a flag when it is hoisted only part way up the mast. At the dip.

Term: dip, dipping (v)
Definition: To haul the boom around to the other side of the mast when tacking, a procedure necessary for certain lug rigged sailboats.
See Also: dipping lug

Term: dipping lug, dipping lugsail (n)
Definition: A sailplan featuring a four-sided sail bent on a yard hauled to a short mast on an angle, often with a boom for the foot and the tack secured to the stem. With this arrangement, the sail must be hauled around the mast when tacking, a procedure known as dipping.
See Also: standing lug

Term: direction finder (n)
Definition: A radio receiver with a directional coil antenna mounted over a compass card, used in navigation to determine the bearing of a radio signal.
See Also: radio direction finder (RDF)

Term: disembark (v)
Definition: To leave the ship and go ashore at the end of a voyage. To land.

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