dionysia

noun1

1. •
   The orgiastic Ancient Greek festivals seasonally held in honor of Dionysus, which evolved into Greek comedy and tragedy.

noun[plural only]1

1. •
   (historical) Any of the ancient festivals held in honour of the Olympian god Dionysus, and corresponding to the Roman Bacchanalia.

   • The greater Dionysia were held at Athens in March or April, and were celebrated with elaborate performances of tragedies and comedies.