| English > English | |
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| fin | |
| 1. n. (ichthyology) One of the appendages of a fish, used to propel itself and to manoeuvre/maneuver. |  |
| The fish's fins minimize water flow. | |
| 2. n. A similar appendage of a cetacean or other marine animal. | |
| a dolphin's fin | |
| 3. n. A thin, rigid component of an aircraft, extending from the fuselage and used to stabilise and steer the aircraft. | |
| The fin stabilises the plane in flight. | |
| 4. n. A similar structure on the tail of a bomb, used to help keep it on course. | |
| 5. n. A hairstyle, resembling the fin of a fish, in which the hair is combed and set into a vertical ridge along the top of the head from about the crown to the forehead. | |
| 6. n. A device worn by divers and swimmers on their feet. | |
| The divers wore fins to swim faster. | |
| 7. n. An extending part on a surface of a radiator, engine, heatsink, etc., used to facilitate cooling. | |
| 8. n. A sharp raised edge (generally in concrete) capable of damaging a roof membrane or vapor retarder. | |
| 9. v. To cut the fins from a fish, shark, etc. | |
| 10. v. (intransitive) To swim in the manner of a fish. | |
| A neutrally buoyant diver does not need to fin to maintain depth. | |
| 11. v. To provide (a motor vehicle etc) with fins. | |
| 12. n. (US, slang) a five-dollar bill | |
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