0 a bed that is filled with water
1 a bed in which the mattress (= the part you lie on) is a container filled with water
Some of the waterbeds dried up and the nitrates made it difficult to produce pure water.
Certain appliances such as a waterbed, hot tub, or pre-1990 refrigerator use significant amounts of electricity.
Hall was unable to defend his patents against multiple competitors and couldn't take full advantage of the waterbed's subsequent popularity.
Hall was granted a patent on his waterbed, which he originally called the pleasure pit, in 1971.
She lived on-site in an apartment with a waterbed, and had an affair with a naval lieutenant, who failed to return from the war.
The take-out waitress praises his van, so he offers sharing a joint on the waterbed.
While the girls enjoy the rotating waterbed in their room, the boys have a more turbulent experience with their waterbed.
During a lengthy hospitalization, he developed a design for a waterbed.