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.
water iceRead more in this article about some frequently asked questions and fun facts related to our definitions.
water under the bridgeRead more in this article about some frequently asked questions and fun facts related to our definitions.
- water-tube boiler,
- water-vascular system,
Origin of waterbed
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a waterproof mattress filled with water
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Online Etymology Dictionary, © 2010 Douglas Harper