| 单词 | sponson |
| 释义 | sponson /spon"seuhn/, n. 1. a structure projecting from the side or main deck of a vessel to support a gun or the outer edge of a paddle box. 2. a buoyant appendage at the gunwale of a canoe to resist capsizing. 3. Aeron. a protuberance at the side of a flying-boat hull, designed to increase lateral stability in the water. [1825-35; var. of EXPANSION] |
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