pneumaticcushion
nounUK /njuːˈmætɪk ˈkʊʃən/
US /nuːˈmætɪk ˈkʊʃən/
A soft bag filled with air that you can sit or rest on.
Grandma put a pneumatic cushion on the chair to make it more comfortable.
RELATED WORDS
OTHER MEANINGS
2. A cushion of air used to support or lift heavy objects.
The workers used a pneumatic cushion to lift the heavy machine.
3. A shock-absorbing air-filled pad in machinery or vehicles.
The pneumatic cushion under the seat made the bumpy ride smoother.
4. A small inflatable pad used for medical or comfort purposes.
The nurse placed a pneumatic cushion under the patient to prevent sores.