1. a conference or meeting to discuss a particular subject.
▪ a collection of essays or papers on a particular subject by a number of contributors.
▪ a drinking party or convivial discussion, especially as held in ancient Greece after a banquet (and notable as the title of a work by Plato).
Word Originlate 16th century (denoting a drinking party): via Latin from Greek sumposion, from sumpotēs ‘fellow drinker’, from sun- ‘together’ + potēs ‘drinker’.