aircushion
nounUK /ˈeəˌkʊʃən/
US /ˈerˌkʊʃən/
A soft pocket of air that holds something up or keeps it safe.
The hovercraft floats on a cushion of air.
RELATED WORDS
OTHER MEANINGS
2. A bag filled with air used to soften shocks or protect against bumps.
The package was wrapped in an air cushion to keep it safe.
3. A layer of air that supports a vehicle above the ground or water.
The train glides on an air cushion instead of wheels.
4. A soft pad filled with air for sitting or resting on.
She placed an air cushion on the chair for extra comfort.