1. (noun) a mechanical device using confined air to absorb the shock of motion

• air spring

2. (noun) a cushion usually made of rubber or plastic that can be inflated

• inflatable cushion

1. (noun) the trapped air that supports a hovercraft a short distance above the water or ground

• compressed air

2. (noun) a mechanical device using confined air to absorb the shock of motion

• cushion
• shock
• shock absorber

3. (noun) a cushion usually made of rubber or plastic that can be inflated

• cushion