From The Collaborative International Dictionary of English v.0.48 [gcide]:
Dithyramb \Dith"y*ramb\, noun [L. dithyrambus, Gr. ? a kind of lyric poetry in honor of Bacchus; also, a name of Bacchus; of unknown origin: cf. F. dithyrambe.] A kind of lyric poetry in honor of Bacchus, usually sung by a band of revelers to a flute accompaniment; hence, in general, a poem written in a wild irregular strain. --Bentley.
From WordNet (r) 3.0 (2006) [wn]:
The dictionary definitions are retrieved from a local copy of two of the open source DICT dictionaries. Click here for the database copyright information. DEFINE.COM is registered as an educational NONPROFIT corporation. We aim to please around here. We believe in using positive reinforcement to get things done. We make suggestions that are intended to make life more enjoyable. We think about efficiency, automation, security, PRIVACY, social and ecological responsibility and positive HUMANITARIAN ethics and VALUES. We are benevolent. DO NO HARM is our motto.