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The Dictionary of English Nautical Language Database: Search Results

  Your search returned 537 matches.
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Term: sonar (n)
Definition: An electronic instrument that can detect underwater objects, such as submarines. The instrument emits a distinctive bell-like tone through an underwater speaker, then measures the time span until the return of an echo. (Acronym derived from "SOund Navigation And Ranging" - SONAR)
See Also: echo sounder, acoustic navigation

Term: sonobuoy (n)
Definition: A buoy containing an underwater microphone and transmitter, used for detecting underwater sounds and transmitting them to a station ashore or to a ship. Such buoys are used in research and as a protective measure against submarine attack.

Term: SOS (n)
Definition: 1) A morse code signal indicating a life-threatening emergency and requesting help. The code signal is dit dit dit - dah dah dah - dit dit dit. 2) A call for help and rescue.

Term: sou'wester (n)
Definition: 1) A storm with winds out of the southwest. 2) An oilskin foul weather hat featuring a broad brim in the back to keep rain from running under the collar.
See Also: foul weather gear, oilskins

Term: sound (v)
Definition: 1) To find the depth of the water under the keel by using a sounding line or electronic device. 2) To dive deep.

Term: sound (n)
Definition: 1) A deep ocean basin adjacent to an inlet, as in “Look for the island at the north end of Pillsbury sound.” 2) A body of water between an island and the shore, or between two islands. 3) A long reach of water connecting two seas.

Term: sound buoy (n)
Definition: An aid to navigation that emits a distinctive sound, such as a bell, gong, whistle or horn Sound buoys are employed to warn of dangerous waters, and are especially effective in reduced visibility.

Term: sounder (n)
Definition: A device used to make soundings.
See Also: leadline

Term: sounding (n)
Definition: A measurement of the depth of the water using a leadline or other device, as in: “Let’s take a sounding to help confirm our position”
See Also: leadline

Term: sounding line (n)
Definition: Leadline.
See Also: leadline, sounder

Term: sounding pole (n)
Definition: A measured pole used for sounding in shallow waters.

Term: soundings (n)
Definition: Measurements of water depth found on nautical charts.
See Also: off soundings, on soundings

Term: soupy (adj)
Definition: Weather that is foggy or with severely restricted visibility.

Term: south (n)
Definition: The compass direction opposite the north pole. One of the four cardinal points of the compass rose.

Term: South Pole (n)
Definition: The location of the
See Also: North Pole

Term: South Pole (n)
Definition: The geographic location of the imaginary southern axis around which the earth turns.
See Also: North Pole, True North, magnetic north

Term: souther (n)
Definition: A wind out of the south.

Term: southing (n)
Definition: 1) Progress toward the south. 2) The amount of change of position southward from the previous fix.

Term: spade rudder (n)
Definition: A type of sailboat rudder that is fastened only to the rudderpost and not to the keel or transom.
See Also: rudder

Term: spanish windlass (n)
Definition: A quick and handy block and tackle system.

Term: spanker (n)
Definition: A fore-and-aft sail at the aftermost mast of a square rigged ship.
See Also: driver

Term: spar (n)
Definition: The general term for any of the abovedeck timbers to which sails are bent, such as the masts, booms, gaffs yards and sprits.

Term: spar deck (n)
Definition: The uppermost deck of a large sailing ship.
See Also: deck

Term: sparks (n)
Definition: The nickname of the radio operator.

Term: spate (n)
Definition: A sudden rush of water from rain or melting snow, or from ocean storm surge.

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