Definition of tepidarium in English:

tepidarium

noun

  • A warm room in an ancient Roman bath.

    • ‘The Romans and Turks knew all about the value of time spent in the baths, working your way slowly through the frigidarium and tepidarium.’
    • ‘After this, the visitor would return to the tepidarium and then to frigidarium to cool down.’

Origin

Latin.

Pronunciation:

tepidarium

/ˌtɛpɪˈdɛːrɪəm/