Meaning & use
Sponson
Last updated
A projecting structure on the side of a ship, aircraft, or vehicle that provides buoyancy, stability, or a mounting point for equipment.
See it in a sentence
The seaplane's sponsons kept it stable while floating on the water.
The tank's sponson housed an additional machine gun.
A note on using this word
First used in shipbuilding to describe platforms extending from a vessel's hull, later adopted in aviation and military engineering.
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