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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: Dacron™ (adj)
Definition: Describing rope composed of a polyester fiber that is very strong and does not stretch, as in "Use dacron for your halyards to keep the sails taut."
See Also: nylon, braid, three-strand

Term: daggerboard (n)
Definition: A centerboard in very small sailboats which is emplaced or removed vertically through a well or trunk.
See Also: centerboard, leeboard

Term: danbuoy (n)
Definition: A locator buoy, often fitted with a flagged mast, employed to show the location of a worksite, the end of a fishing set or a man overboard.
See Also: buoy

Term: Danforth (n)
Definition: A lightweight anchor with large flukes that bury in the bottom affording high holding power for its weight.

Term: dart (n)
Definition: A rotator or spinner towed behind a taffrail log in order to measure the speed of a vessel through the water.
See Also: fish, rotator

Term: davit, davits (n)
Definition: A crane made of a swinging boom together with blocks and tackle, usually mounted in pairs, which may be swung over the side of a ship to lower and recover the launch or lifeboats. Sometimes a davit is also used for loading cargo, or lifting an anchor on deck.
See Also: crane

Term: Davy Jones (n)
Definition: A fictional personification of the bottom of the sea. A bravado reference to the sailor’s greatest fear: drowning.

Term: Davy Jones' locker (n)
Definition: An imaginative reference to the bottom of the sea, a place from which drowned seamen never return.
See Also: deep six

Term: day's work (n)
Definition: The sum of the navigator’s daily tasks during a typical offshore voyage, including dead reckoning, morning and evening sights for longitude, and a noon sight for latitude.

Term: daybeacon (n)
Definition: A fixed aid to navigation, usually a piling, on which a daymarker is mounted.
See Also: daymarker

Term: daymarker (n)
Definition: A navigation symbol mounted on a daybeacon.
See Also: daybeacon

Term: dead ahead (adv)
Definition: The direction exactly on the course of the vessel.

Term: dead astern (adv)
Definition: The direction exactly opposite the course of the vessel.

Term: dead calm (n)
Definition: No wind at all.
See Also: clock calm

Term: dead horse (n)
Definition: A sailor trying to work off his debts on a voyage.

Term: dead reckoning (n)
Definition: A method of navigating by calculating a position using the course, speed and time from a known position or fix.
See Also: fix, position, taffrail log
Blog Link: http://seatalk.blogspot.com/2006/01/is-dead-recksoning-dead.html

Term: deadeye (n)
Definition: A heavy block having several holes bored through instead of sheeves, through which the standing rigging is rove.
See Also: block
(Click on image to enlarge.)

Term: deadlight (n)
Definition: 1) A portlight which does not open. 2) A watertight glass or prism mounted in the deck or cabin top which lets light below. 3) A heavy cover over a porthole which keeps out light and water.
See Also: portlight

Term: deadman (n)
Definition: A line that has come free of its cleat and is thrashing in the wind or dragging in the water, a very embarrassing example of poor seamanship.
See Also: Irish pennant

Term: deadrise (n)
Definition: 1) A hull design featuring a V shaped cross section; as in: “The sharpie is a modified deadrise design” 2) The height of the waterline above and away from the level of the keel expressed in inches per foot.

Term: deadrise (adj)
Definition: Describing the underwater shape of a V bottom or round bottom boat.

Term: deadweight (n)
Definition: The weight of the total load on board ship, including cargo, stores, passengers and crew; used to calculate the waterline and organise the cargo distribution in preparation for an ocean passage.

Term: deadweight tonnage (n)
Definition: The actual calculated weight in long tonnes of the cargo which can be carried by a ship.

Term: deadwood (n)
Definition: Stout timbers fitted in the stern, and sometimes in the bow, which give shape and spacing to the construction but which bear neither the keel nor frames.

Term: deck (n)
Definition: 1) Any horizontal platform in a ship. (Lubbers beware: there are floors on a ship, but they have absolutely nothing to do with the deck.) 2) The main or uppermost level of a ship where the work of sailing is done; as in: “Go on deck and stand watch.”
See Also: floor

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