Frigidarium

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Frigidarium \Frig"i*da`ri*um\, n.; pl. {Frigidaria}. [L., neut.
     of frigidarium cooling.]
     The cooling room of the Roman therm[ae], furnished with a
     cold bath.
     [1913 Webster]