air cushion
noun
1 air cushion
The trapped air that supports a hovercraft a short distance above the water or ground.
2 air cushion
A mechanical device using confined air to absorb the shock of motion.
synonym: air spring.
3 air cushion
A cushion usually made of rubber or plastic that can be inflated.
synonym: inflatable cushion.
Polish: poduszka powietrzna, airbag
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