Swimming pool

large tank used for swimming

A swimming pool(3,000L), swimming bath(500L), or wading pool(30 L) is an artificially enclosed body of water intended for swimming or water-based recreation. There are many standard sizes; the largest and deepest is the Olympic size. A pool can be built either above or in the ground, and from materials such as metal, plastic or concrete.
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Noun
1. pool that provides a facility for swimming; "`swimming bath' is a British term"
(synonym) swimming bath, natatorium
(hypernym) pool
(part-holonym) lido