Search Result for "water bed":
Wordnet 3.0

NOUN (1)

1. a bed with a mattress made of strong plastic that is filled with water;


The Collaborative International Dictionary of English v.0.48:

Water bed \Wa"ter bed`\ A kind of mattress made of, or covered with, waterproof fabric and filled with water, thus providing uniform support to the body lying on it; -- also a bed constructed so as to contain such a mattress. It is used in hospitals for bedridden patients, as well as in some private homes. [1913 Webster +PJC]
WordNet (r) 3.0 (2006):

water bed n 1: a bed with a mattress made of strong plastic that is filled with water