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air brake: Meaning and Definition of

air' brake"

Pronunciation: [key]
  1. a brake or system of brakes operated by compressed air.
  2. a device for reducing the air speed of an aircraft by increasing its drag.
  3. a device for stopping the sails of a windmill by disrupting the flow of air around them.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
air-bound airbrasive
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