WordReference Random House Unabridged Dictionary of American English © 2026
frig•i•dar•i•um
(frij′i dâr′ē əm),USA pronunciation n., pl. -dar•i•a
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(-dâr′ē ə).USA pronunciation
- Antiquity(in an ancient Roman bath) a room having a bath of unheated water.
- Latin; see frigid, -arium