from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Trapped air that supports a vehicle a short distance above the surface of land or water.
- n. A device that uses trapped air to absorb the shock of motion, especially in vehicles. Also called air spring.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a layer of trapped air that supports a hovercraft
- n. a shock absorber that uses an air chamber
- n. a rubber or plastic inflatable cushion
from the GNU version of the Collaborative International Dictionary of English
- n. an air-tight cushion which can be inflated; also, a device for arresting motion without shock by confined air.
from The Century Dictionary and Cyclopedia
- n. A bag made of an air-tight fabric used when inflated with air as a cushion for a seat.
- n. Same as air-bag.
- n. 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.
- n. Same as air-spring or pneumatic spring.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the trapped air that supports a hovercraft a short distance above the water or ground
- 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
Sorry, no etymologies found.
Miss Brimley, the journal's editor, adjusted the air cushion beneath her and lit a cigarette.