Meaning of AIR CUSHION

Pronunciation:			ehr 'kûshun
WordNet Dictionary
	Definition:		[n]  a cushion usually made of rubber or plastic that can be inflated [n]  a mechanical device using confined air to absorb the shock of motion [n]  the trapped air that supports a hovercraft a short distance above the water or ground
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	Synonyms:		air spring, inflatable cushion
	See Also:		compressed air, cushion, shock, shock absorber