aircushion

air cushion n.

1. Trapped air that supports a vehicle a short distance above the surface of land or water.

2. A device that uses trapped air to absorb the shock of motion, especially in vehicles. Also called air spring.

  airʹ-cush'ion (ârʹko͝osh'ən) or airʹ-cush'ioned (-ənd) adj.

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