sponson

sponson

[spon-suhn]
noun
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.
Aeronautics. a protuberance at the side of a flying-boat hull, designed to increase lateral stability in the water.

Origin:
1825–35; variant of expansion

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To Sponson
Collins
World English Dictionary
sponson (ˈspɒnsən)
 
n
1.  navy an outboard support for a gun enabling it to fire fore and aft
2.  a semicircular gun turret on the side of a tank
3.  a float or flotation chamber along the gunwale of a boat or ship
4.  a structural projection from the side of a paddle steamer for supporting a paddle wheel
5.  a structural unit attached to a helicopter fuselage by fixed struts, housing the main landing gear and inflatable flotation bags
 
[C19: perhaps from expansion]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Relevant Questions
Image for Sponson
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature