| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024spon•son (spon′sən),USA pronunciation n. - Naval Termsa structure projecting from the side or main deck of a vessel to support a gun or the outer edge of a paddle box.
- Naval Terms, Nauticala buoyant appendage at the gunwale of a canoe to resist capsizing.
- Aeronauticsa protuberance at the side of a flying-boat hull, designed to increase lateral stability in the water.
- variant of expansion 1825–35
Collins Concise English Dictionary © HarperCollins Publishers:: sponson /ˈspɒnsən/ n - an outboard support for a gun enabling it to fire fore and aft
- a semicircular gun turret on the side of a tank
- a float or flotation chamber along the gunwale of a boat or ship
- a structural unit attached to a helicopter fuselage by fixed struts, housing the main landing gear and inflatable flotation bags
Etymology: 19th Century: perhaps from expansion |