| Kieli | Käännökset |
|---|---|
| italia | calidario |
| latina | caldārium |
| ranska | caldarium |
| Monikko | caldaria |
| Monikko | caldariums |
(historical) In Roman baths, the hottest room, with a plunge-pool. It preceded the tepidarium and frigidarium.
Caldarium from the Roman baths at Bath, England. The floor has been removed to reveal the empty space where the hot air flowed through to heat the floor.