caldarium
(noun)
noun
1. In Roman baths, the hottest room, with a plunge-pool. It preceded the tepidarium and frigidarium.
2. In modern spas, a room with a hot floor.
(noun)
1. In Roman baths, the hottest room, with a plunge-pool. It preceded the tepidarium and frigidarium.
2. In modern spas, a room with a hot floor.