from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A series of four related dramatic, operatic, or literary works.
- n. Medicine A complex of four symptoms.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A set of four works of art that are connected, and that can be seen either as a single work or as four individual works. They are commonly found in literature, film, or video games.
- n. A combination of four symptoms.
from the GNU version of the Collaborative International Dictionary of English
- n. 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.
from The Century Dictionary and Cyclopedia
- n. A group of four dramatic compositions, three tragic and one satyric, which were exhibited in connection on the Athenian stage for the prize at the festivals of Bacchus.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a series of four related works (plays or operas or novels)
Greek tetralogiā : tetra-, tetra- + -logos, word, saying; see -logy.(American Heritage® Dictionary of the English Language, Fourth Edition)
From tetra- + -logy. (Wiktionary)