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| There are 109 entries in the glossary. |
| Pages: << < 1 2 3 4 5 6 7 8 > >> |
| Devil | Caulker's name for the seam in the upper deck planking next to a ship's waterways. There was very little space to get at this seam, making it a difficult and awkward job. This is the origin of the expression "Between the devil and the deep blue sea, since there is only the thickness of the ship's hull planking between this seam and the sea. also known as the garboard seam. |
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| Devil to Pay | Old seafaring term meaning something very difficult or awkward. see Devil |
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| Dewatering | In controlling damage, to pump out a compartment. |
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| Dewpoint | Temperature at which moist air becomes saturated |
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| Dingbat | Slang term for a small swab made of rope and used for drying decks. |
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| Dink | Nickname for a dinghy |
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| Dirk | A small naval sword worn by midshipmen or their equivalents when in full dress uniform. |
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| Disabled Ship | When a ship is unable to sail efficiently or in a seaworthy state as a result of engine trouble, lack of officers or crew, damage to the hull or ship's gear. |
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| Discharges | An essential document for officers and seamen as it serves as an official certificate confirming sea experience in the employment for which he was engaged. |
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| Disembark, Debark | Leave the vessel. |
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| Dismast | The loss of a mast on a boat. |
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| Displacement | The weight of a floating boat measured as the weight of the amount of water it displaces. A boat displaces an amount of water equal to the weight of the boat, so the boat's displacement and weight are identical. |
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| Displacement Hull | A type of hull that plows through the water, displacing a weight of water equal to its own weight, even when more power is added. |
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| Displacement Speed | The theoretical speed that a boat can travel without planing, based on the shape of its hull This speed is 1.34 times the length of a boat at its waterline. Also known as hull speed. |
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| Distance Made Good | The distance traveled after correction for current, leeway and other errors that may not have been included in the original distance measurement. |
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