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caldarium

American  
[kal-dair-ee-uhm] / kælˈdɛər i əm /

noun

plural

caldaria
  1. (in an ancient Roman bath) a room having a hot bath.


caldarium British  
/ kælˈdɛərɪəm /

noun

  1. (in ancient Rome) a room for taking hot baths

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of caldarium

1745–55; < Latin: noun use of neuter of caldārius of warming, equivalent to cal ( i ) d ( us ) warm ( cal ( ēre ) to be warm + -idus -id 4 ) + -ārius -ary; see -ium, -arium

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In ancient times, the Romans named it the caldarium; we simply call it the hot tub.

From Time • Dec. 13, 2014

These were the frigidarium, the caldarium, the sudatorium, and the tepidarium, for the cold, the hot, the sweating or vapor, and the warm baths.

From The Atlantic Monthly, Volume 03, No. 19, May, 1859 by Various

In the same place a dark yellow copper is made which is called caldarium, taking its name among the Germans from a caldron....

From De Re Metallica, Translated from the First Latin Edition of 1556 by Agricola, Georgius

Coming from these two sources the caldarium must have been, indeed, impure.

From De Re Metallica, Translated from the First Latin Edition of 1556 by Agricola, Georgius

This caldarium is a long room at the ends of which rises, on one side, something like the parapet of a well, and on the other a square basin.

From The Wonders of Pompeii by Monnier, Marc