| 单词 | keel |
| 释义 | Word Frequency keel 1(kiːl) noun 1. one of the main longitudinal structural members of a vessel to which the frames are fastened and that may extend into the water to provide lateral stability 2. on an even keel 3. any structure corresponding to or resembling the keel of a ship, such as the central member along the bottom of an aircraft fuselage 4. biology a ridgelike part; carina 5. a poetic word for ship1 verb 6. to capsize Derived forms keel-less (ˈkeel-less) adjective Word origin C14: from Old Norse kjölr; related to Middle Dutch kiel, keel2Word Frequency keel 2(kiːl) noun Eastern England dialect 1. a flat-bottomed vessel, esp one used for carrying coal 2. a measure of coal equal to about 21 tons Word origin C14 kele, from Middle Dutch kiel; compare Old English cēol shipWord Frequency keel 3(kiːl) noun 1. red ochre stain used for marking sheep, timber, etc verb (transitive) 2. to mark with this stain Word origin Old English cēlan, from cōl coolWord Frequency keel 4(kiːl) verb an archaic word for cool Word origin C15: probably from Scottish Gaelic cīlWord Frequency keel 5(kiːl) noun a fatal disease of young ducks, characterized by intestinal bleeding caused by Salmonella bacteria Word origin C19: from keel1; see keel over |
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