WordReference Random House Unabridged Dictionary of American English © 2025
cal•dar•i•um
(kal 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 hot bath.
- Latin: noun, nominal use of neuter of caldārius of warming, equivalent. to cal(i)d(us) warm (cal(ēre) to be warm + -idus -id4) + -ārius -ary; see -ium, -arium
- 1745–55
'caldarium' also found in these entries (note: many are not synonyms or translations):