Definition of "waterbed" []

• A bed with a mattress made of a tough plastic that is filled with water. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I use the term waterbed in reference to an analogy that I often make in the seminar: A family of five is akin to five people lying side by side on a waterbed."
• "It better not be some crazy thing like a waterbed or an aquarium full of snakes that another quake might bring crashing through the ceiling."
• "A social networking site that pumps disgusting liquids into your waterbed."