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Use the box below to search for a specific Term |
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| There are 93 entries in the glossary. |
| Pages: << < 1 2 3 4 5 6 7 > >> |
| Mate | A deck officer ranking next below that of master. Usually divided into first, second, third, etc. to indicate seniority. |
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| MAYDAY | An internationally recognized distress signal used on a radio to indicate a life threatening situation. Mayday calls have priority over any other radio transmission and should only be used if there is an immediate threat to life or vessel. Mayday comes from the French M'aidez which means help me. For urgent situations that are not immediately life threatening there is the PAN PAN identifier. Less urgent messages such as navigational hazards should send a SECURITE message. |
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| Mean Low Water | A figure representing the average low tide of a region. |
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| Measured Mile | A course marked by buoys or ranges measuring one nautical mile. Measured miles are used to calibrate logs. |
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| Mediterranean Berth | A method of docking with a boat's stern to the dock. |
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| Meet Her | An order to the helmsman to put on opposite rudder to check the swing of the ship. |
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| Mercator Projection | Method of producing a chart in which the parallels of latitude and the meridians of longitude intersect each other at right angles. |
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| Merchant Navy | The merchant ships on the official registers of any nation. |
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| Meridian | A semi great circle joining the north and south poles. Known as lines of longitude, they cross the equator and all parallels of latitude at right angles. |
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| Mermaid | A mythical creature, half human and half fish. |
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| Mess | Dining room facilities and kitchen for crew separate from the passenger dining room and kitchen. |
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| Mess Deck | Where meals are eaten |
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| Messenger | A small line used to pull a heavier line or cable. The messenger line is usually easier to throw, lead through holes or otherwise manipulate than the line that it will be used to pull. |
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| Messroom | A dining room on a ship. |
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| Meteorology | The study of weather patterns in order to predict changes in the weather. |
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