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| There are 319 entries in the glossary. | |
| Pages: << < 9 10 11 12 13 14 15 16 17 > >> | |
| Term | Definition |
| Snorter | A very high wind. Also called "Snotter" |
| Snub | To stop the running out of a line by taking a turn around a cleat, piling, etc.; to suddenly stop or secure a line. A ship with too much way can be snubbed by letting an anchor go. |
| Snubber | A spring line tied from the boat to chain rode, usually near the water's surface. It helps disperse tension forces. It also prevents damage to the boat by ground tackle and can help in the retrieval of the ground tackle in heavy weather. |
| Snubber Line | Line used for checking a vessel's way when warping her into a dock or basin. |
| Soft Tack | Fresh bread. |
| SOG | Speed Over Ground, speed relative to bottom. |
| SOLAS | Safety of Life at Sea Convention |
| Soldiers Wind | A wind which blows on the beam thus requiring no tacking or trimming of the sails. It will take a sailing vessel somewhere without requiring much nautical ability. |
| Sole | Cabin or salon deck or floor; the inside deck of the ship |
| Son of a Gun | Seaman who was born aboard a warship. As this was once considered to be one of the essentials of the perfect seaman, it has long been a complimentary term. |
| Sonar | SOnar Navigation and Ranging - A device which emits pulses of high frequency sound which are reflected by any solid object they encounter. The time from the emission of the pulse and the arrival of its returning echo is measured, giving a range to the object. This is the basis of all depth sounders, measuring the depth of water under the ship. |
| SOS | A distress call made by a vessel requiring assistance. These three letters were chosen because they were easy to make and read using Morse Code. Some believe the letters meant "Save Our Ship" or "Save Our Souls". |
| sou'wester | A wind coming from the southwest |
| Sound | (1) To measure water depth or the depth of liquid in a tank (2) Signals required by navigation rules describing the type of vessels and their activities during times of fog. |