1. a theater or concert hall, especially one used for musical performances
2. in ancient Greece and Rome, a roofed theater used for musical competitions and recitations
Usage: historical

Examples

• The symphony will perform at the city’s new odeon next month.
• We bought tickets for the jazz concert at the downtown odeon.
• The ancient odeon in Athens could seat thousands of spectators.
• Many famous musicians have performed at this historic odeon.
• The odeon was built specifically for acoustic performances.
• Archaeologists discovered the ruins of a Roman odeon near the forum.