waterbed

[ waw-ter-bed, wot-er- ]
/ ˈwɔ tərˌbɛd, ˈwɒt ər- /

noun

a bed having a liquid-filled rubber or plastic mattress in a rigid, often heated, waterproof frame, and providing a surface that conforms to the sleeper's body in any position.

Origin of waterbed

First recorded in 1835–45; water + bed

Words nearby waterbed

water-tube boiler, water-vascular system, water-wave, water-witch, waterage, waterbed, waterboarding, waterborne, waterbrain, waterbuck, waterbury

British Dictionary definitions for water bed

water bed

noun

a waterproof mattress filled with water