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waterbed

[waw-ter-bed, wot-er-]
noun
  1. 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.
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Origin of waterbed

First recorded in 1835–45; water + bed
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for waterbed

Historical Examples

  • 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

n.

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.

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Online Etymology Dictionary, © 2010 Douglas Harper