sponson
noun
- a structure that projects over the side of a ship or boat; specif.,
- a projecting gun platform
- an air chamber built into the gunwale of a canoe
- a short, winglike piece attached to the hull of a seaplane just above water level to give stability in the water
See sponson in American Heritage Dictionary 4
(spŏnˈsən)
noun- Any of several structures that project from the side of a boat or ship, especially a gun platform.
- A short, curved, air-filled projection on the hull of a seaplane, imparting stability in the water.
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