air mattress

noun

plural air mattresses

: a soft, airtight plastic case that is designed to be inflated and used as a bed

And take it from my early 1960s-model spine, a modern air mattress—cheap, simple to inflate and reliable—is something that many parents will find essential when sleeping in a tent.

—Steve Stephens

called also air bed

Examples of air mattress in a Sentence

Recent Examples on the Web

Best Sleeper Sofa Pottery Barn Shasta Reversible Chaise Sleeper Sectional Specs Hosting guests in a small space requires some compromise, but any consummate host knows that good hospitality doesn’t come in the form of a saggy air mattress. —Julia Harrison, Architectural Digest, 30 May 2025

However, both Brookshire and Little told police that a gun was kept under the pillow of an air mattress where the girl was shot, according to the criminal complaint. —Kate Linderman, Kansas City Star, 25 Feb. 2025

Alix and her team camped out in the house, sleeping on air mattresses and in sleeping bags, averaging just two to four hours of sleep per night. —Jordan Greene, People.com, 16 Apr. 2025

Trunk bed air mattress: on sale for $149.99 Original price: $189.99 Traveling in a truck? —Christopher Murray, Fox News, 16 Mar. 2025

Word History

First Known Use

1832, in the meaning defined above