natatorium

from WordNet (r) 3.0 (2006)

natatorium
    n 1: pool that provides a facility for swimming; "`swimming
         bath' is a British term" [syn: {swimming pool}, {swimming
         bath}, {natatorium}]

from The Collaborative International Dictionary of English v.0.48

Natatorium \Na`ta*to"rium\, n. [L.]
   A swimming bath.
   [1913 Webster]

[email protected]