Glossary
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TermDefinition
- General Nautical Terminology Shaft Drive
Shaft drive refers to a method of transferring power from an engine to a boat's propeller. In this system, a driveshaft connects the engine to...
More Details - General Nautical Terminology Sheet
A line or rope used to control the angle of a sail relative to the wind.
In sailing, a sheet is an essential part of the rigging system and...
More Details - General Nautical Terminology Shipping ForecastWeather forecast broadcast four times each day by the British Broadcasting Corporation (BBC) for the benefit of those at sea
- General Nautical Terminology Shipping LaneA busy track across the sea or ocean
- General Nautical Terminology ShipshapeNeat and efficient
- General Nautical Terminology ShoalAn area offshore where the water is to shallow that a vessel might run aground. To shoal is to become shallow
- General Nautical Terminology Shock CordElastic rubber bands enclosed in a sheath of fibres, very useful for lashing
- General Nautical Terminology Shorten SailTo reduce the amount of sail set either by reefing or changing to make a smaller sail
- General Nautical Terminology Shroud
A strong, fixed line or wire that supports a sailing vessel's mast laterally, running from the mast to the sides of the hull or to...
More Details - General Nautical Terminology Side DeckThe deck alongside the coachroof
- Phonetic Alphabet, Signals & Communication Sierra
Pronounced: see-AIR-rah
The term for the letter S in the NATO Phonetic Alphabet.
- General Nautical Terminology SillA wall which acts as a dam, to keep water in a marina
- General Nautical Terminology Skeg
A skeg is a small fin or projection on the bottom of a boat's hull, typically near the stern. It helps to provide directional stability and...
More Details - General Nautical Terminology SKS
A German recreational boating licence required for operating yachts under sail or power in coastal waters up to 12 nautical miles...
More Details - General Nautical Terminology Slab Reef
A method of reefing a boomed sail where the sail is flaked down on top of the boom. This allows the sail to be reefed by pulling a line attached...
More Details - General Nautical Terminology Slack Off
To loosen a line, rope, or sheet on a vessel, reducing tension.
Slack off is a term commonly used in maritime contexts to describe the act of...
More Details - General Nautical Terminology, Navigation Slack Water
The short period of still water occurring at the turn of the tide, when the tidal current changes direction and its speed is minimal.
Slack...
More Details - General Nautical Terminology SlamThe underpart of the forward part of the hull hitting the water when pitching in heavy seas
- Flag Semaphore, Signals & Communication Letter S (Flag Semaphore)
Flag semaphore indicating the letter S.
- Morse Code, Signals & Communication Letter S (Morse Code)
International Morse Code sequence representing the letter S.