caldarium

caldarium

[kal-dair-ee-uhm]
noun, plural caldaria [kal-dair-ee-uh] .
(in an ancient Roman bath) a room having a hot bath.

Origin:
1745–55; < Latin: noun 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

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World English Dictionary
caldarium (kælˈdɛərɪəm)
 
n , pl -daria
(in ancient Rome) a room for taking hot baths
 
[C18: from Latin, from calidus warm, from calēre to be warm]

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