caldarium
caldarium · caldariums · caldaria
In Roman baths, the hottest room, with a plunge-poolIn Roman baths, the hottest room, with a plunge-pool. It preceded the tepidarium and frigidarium.
UK/kælˈdɛəɹi.əm/US/kælˈdɛɹi.əm/
Meaning
3 senses(historical)In Roman baths, the hottest room, with a plunge-pool. It preceded the tepidarium and frigidarium.
In modern spas, a room with a hot floor.
An intermediate or warm greenhouse.
Origin
Unadapted borrowing from Latin caldārium (“room containing warm water for bathing”), substUnadapted borrowing from Latin caldārium (“room containing warm water for bathing”), substantive of caldārius (“of, pertaining to or suitable for bathing”), from caldus (“warm, hot”) + -ārius, alternative form of calidus, from caleō (“to be warm or hot; glow”).
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Forms
plural: caldariums / caldaria| Singular | caldarium |
|---|---|
| Plural | caldariums / caldaria |
regular
Lessons for this word
1 lessons- A1Plural nouns — Because its plural is irregular