Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Trapped air that supports an object a short distance above a surface.
  • noun An inflatable cushion.

from The Century Dictionary.

  • noun A bag made of an air-tight fabric used when inflated with air as a cushion for a seat.
  • noun Same as air-bag.
  • noun A ball or cylinder (usually of india-rubber) filled with air and placed in a water-pipe, to act as a cushion for the water, or to receive the pressure or shock caused by a sudden stoppage of its flow, or by the expansion of the water in freezing.
  • noun Same as air-spring or pneumatic spring.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun a layer of trapped air that supports a hovercraft
  • noun a shock absorber that uses an air chamber
  • noun a rubber or plastic inflatable cushion

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the trapped air that supports a hovercraft a short distance above the water or ground
  • noun a cushion usually made of rubber or plastic that can be inflated
  • noun a mechanical device using confined air to absorb the shock of motion

Etymologies

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Examples

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