Dictionary
water bed
noun
: a bed that has a mattress which is made of rubber or plastic and is filled with water
Full Definition of WATER BED
: a bed whose mattress is a watertight bag filled with water
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First Known Use of WATER BED
1844
Medical Dictionary
water bed
noun
Medical Definition of WATER BED
: a bed whose mattress is a plastic bag filled with water—called also hydrostatic bed
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