air cushion

air cushion

noun
1.
an inflatable, airtight cushion.
2.
air chamber (def. 2).
3.
an air bag.

Origin:
1830–40

air-cush·ioned, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Air cushion is always a great word to know.
So is bezoar. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
Collins
World English Dictionary
air cushion
 
n
1.  an inflatable cushion, usually made of rubber or plastic
2.  the pocket of air that supports a hovercraft
3.  See also air spring a form of pneumatic suspension consisting of a constricted volume of air

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