[waw-ter-bed, wot-er-]


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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for waterbed

Historical Examples of waterbed

  • Another novel feature was in the method of controlling the depth of submergence when navigating between the surface and waterbed.

    Aircraft and Submarines

    Willis J. Abbot.

  • Built to further demonstrate the possibility of navigation over the waterbed of seas or the ocean.

Word Origin and History for waterbed

1610s, "a bed on board a ship," from water (n.1) + bed (n.). As a water-tight mattress filled with water, it is recorded from 1844, originally for invalids. Reinvented c.1970 as a hip furnishing.

Online Etymology Dictionary, © 2010 Douglas Harper