'Tetralogy' definitions:
Definition of 'tetralogy'
From: WordNet
noun
A series of four related works (plays or operas or novels)
Definition of 'Tetralogy'
From: GCIDE
- Tetralogy \Te*tral"o*gy\, n. [Gr. ?; te`tra- (see Tetra-) + ? a speech, discourse: cf. F. t['e]tralogie.] (Gr. Drama) A group or series of four dramatic pieces, three tragedies and one satyric, or comic, piece (or sometimes four tragedies), represented consequently on the Attic stage at the Dionysiac festival. [1913 Webster]
- Note: A group or series of three tragedies, exhibited together without a fourth piese, was called a trilogy. [1913 Webster]