| 单词 | fin |
| 释义 | fin n. & v. --n 1. an organ on various parts of the body of many aquatic vertebrates and some invertebrates, including fish and cetaceans, for propelling, steering, and balancing (dorsal fin; anal fin). 2. a small projecting surface or attachment on an aircraft, rocket, or motor car for ensuring aerodynamic stability. 3. an underwater swimmer's flipper. 4. a sharp lateral projection on the share or coulter of a plough. 5. a finlike projection on any device, for improving heat transfer etc. --v (finned, finning) 1. tr. provide with fins. 2. intr. swim under water. Phrases and idioms fin-back (or fin whale) a rorqual, Balaenoptera physalus. Derivatives finless adj. finned adj. (also in comb.). Etymology: OE fin(n) |
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