odea

/AA1 D IY0 AH0/
noun
  1. 1

    An ancient Greek or Roman building used for performances of music and poetry.

  2. 2

    A theatre or concert hall.

Source: https://en.wiktionary.org/wiki/odea, https://en.wiktionary.org/wiki/odeon, https://en.wiktionary.org/wiki/odeum