airpillow
nounUK /ˈeəˌpɪləʊ/
US /ˈerˌpɪloʊ/
A soft bag filled with air that you can rest your head on.
She blew up the airpillow and put it behind her neck on the long flight.
OTHER MEANINGS
2. A small inflatable cushion used to protect fragile items during shipping.
The vase was wrapped in bubble wrap and packed with airpillows.
3. A medical cushion filled with air, used to relieve pressure on the body.
The nurse placed an airpillow under the patient's heels.
4. A type of inflatable seat or backrest used in vehicles or stadiums.
He kept an airpillow in the car for long drives.