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An indoor swimming pool.
[Late Latin natātōrium, place for swimming, from neuter of Latin natātōrius, of swimming, from natātus, act of swimming, from past participle of natāre, frequentative of nāre, to swim; see natatorial.]
n, pl -riums or -ria (-rɪə)
(Swimming, Water Sports & Surfing) rare a swimming pool, esp an indoor pool
[C20: from Late Latin: swimming place, pool]
na•ta•to•ri•um(ˌneɪ təˈtɔr i əm, -ˈtoʊr-, ˌnæt ə-)
n., pl. -to•ri•ums, -to•ri•a (-ˈtɔr i ə, -ˈtoʊr-)
a swimming pool, esp. one that is indoors.
[1885–90; < Late Latin natātōrium swimming place, derivative of Latin natā(re) to swim]
a swimming pool, particularly an indoor facility.See also: Athletics
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|Noun||1.||natatorium - pool that provides a facility for swimming; "`swimming bath' is a British term"|
athletic facility - a facility for athletic events
lido - a recreational facility including a swimming pool for water sports
pool - an excavation that is (usually) filled with water