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air cushion

noun
1.
an inflatable, airtight cushion.
2.
air chamber (def 2).
3.
an air bag.
Origin
1830-1840
1830-40
Related forms
air-cushioned, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for more air cushioned

air cushion

noun
1.
an inflatable cushion, usually made of rubber or plastic
2.
the pocket of air that supports a hovercraft
3.
a form of pneumatic suspension consisting of a constricted volume of air See also air spring
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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