| 单词 | keel |
| 释义 | keel 1. n. & v. --n 1. the lengthwise timber or steel structure along the base of a ship, airship, or some aircraft, on which the framework of the whole is built up. 2. poet. a ship. 3. a ridge along the breastbone of many birds; a carina. 4. Bot. a prow-shaped pair of petals in a corolla etc. --v 1. (often foll. by over) a intr. turn over or fall down. b tr. cause to do this. 2. tr. & intr. turn keel upwards. Derivatives keelless adj. Etymology: ME kele f. ON kj{ouml}lr f. Gmc 2. n. Brit. hist. 1. a flat-bottomed vessel, esp. of the kind formerly used on the River Tyne etc. for loading coal-ships. 2. an amount carried by such a vessel. Etymology: ME kele f. MLG kel, MDu. kiel ship, boat, f. Gmc |
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