What does "tepidarium" mean?

A warm room in a Roman baths that was usually heated by a hypocaust.

What is a synonym for "tepidarium"?

Common synonyms include: bath, bathhouse, bathroom, baths, lavatory, rest room.

Pronounced //ˌtɛpɪˈdɛəɹi.əm//.

/ˌtɛpɪˈdɛəɹi.əm/ noun

noun ·Rare ·Advanced level

Noun

1
A warm room in a Roman baths that was usually heated by a hypocaust. historical
2
A boiler in which the water was heated. historical
3
Any room containing a warm bath.
4
A warm greenhouse typically used for plants from South Africa.
"There is a pretty large glass-house, one-half being a caldarium, the other a tepidarium"

"There is a pretty large glass-house, one-half being a caldarium, the other a tepidarium"

Borrowed from Latin tepidārium.