air_cushion
1. [ noun ] a mechanical device using confined air to absorb the shock of motion
Synonyms: air_spring
Related terms: shock_absorber
2. [ noun ] the trapped air that supports a hovercraft a short distance above the water or ground
Related terms: compressed_air
3. [ noun ] a cushion usually made of rubber or plastic that can be inflated
Synonyms: inflatable_cushion
Related terms: cushion