a mattress, usually of plastic or rubber, that can be inflated for use, as in camping, and deflated for storage.
Words nearby air mattress
Origin of air mattress
First recorded in 1925–30
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Examples from the Web for air mattress
But, dear traveler, it is much simpler to take an air-mattress and a foot-pump.Tenting To-night|Mary Roberts Rinehart