Found 2 items, similar to water bed.
English → English (WordNet) Definition: water bed water bed n : a bed with a mattress made of strong plastic that is filled with water
English → English (gcide) Definition: Water bed 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]