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

There’s a scene when Bing hovers over Naomi’s air mattress on their first night. —Jake Kring-Schreifels, Rolling Stone, 1 Apr. 2025

This isn’t the strangest place that a person has been caught sleeping in N.Y.C. In 2018, someone shared a video on YouTube of a man blowing up a green air mattress on the subway — and then placing a pillow and blanket on top of it. —Kimberlee Speakman, People.com, 22 Mar. 2025

Walmart has a similar truck bed air mattress for just over $50. —Christopher Murray, Fox News, 16 Mar. 2025

However, who were staying with them after losing their home and jobs for a two-month duration, wanted the beds removed to make room for a queen air mattress. —Lydia Patrick, Newsweek, 13 Jan. 2025

Word History

First Known Use

1832, in the meaning defined above