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Use the box below to search for a specific Term |
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All| There are 2224 entries in the glossary. |
| Pages: << < 4 5 6 7 8 9 10 11 12 > >> |
| Ashore | On the land or aground. |
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| Aspect Ratio | The relationship (ratio) between the sails height (luff length) and length along the foot. High aspect ratio means a sail that is tall and narrow, low aspect ratio is a short, squat sail. A high aspect ratio sail is very efficient in sailing close to the wind. |
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| Astern | Backwards, somewhere behind the vessel, towards the stern; in the direction of, or behind, the stern; opposite of ahead. |
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| Astrolabe | A precursor to the sextant. An old navigational device for checking the altitude of the sun or stars. |
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| At Sea | In marine insurance this phrase applies to a ship which is free from its moorings and ready to sail. |
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| Athwart | Lying along the ship's width, at right angles to the vessels fore-and-aft line (centerline). Same as abeam. |
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| Athwartship | A member or dimension running from port to starboard. |
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| Athwartships | From one side of a ship to the other. |
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| Atoll | A horseshoe-shaped or circular reef of coral surrounding a lagoon. |
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| Auster | Old Latin name for the south wind. |
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| Autopilot | Electro-mechanical steering device; an instrument designed to control automatically a vessel's steering gear so that she follows a pre-determined track through the water. |
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| Auxiliary | (1) A second method of propelling a vessel. On a sailboat this would be the engine. (2) Machinery fitted in steam and motor vessels which is not part of the main propelling machinery. (3) a support group, e.g., Coast Guard Auxiliary |
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| Avast | A command to stop or cease immediately what one is doing. |
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| Awash | Water washing over; the situation of an object when almost submerged. |
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| Aweigh | To raise an anchor off the bottom; the position of anchor as it is raised clear of the bottom. |
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