na·ta·to·ri·um (nā′tə-tôrē-əm, năt′ə-)
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.]
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Indo-European & Semitic Roots Appendices
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