1. a drinking-party, symposium , [Refs 6th c.BC, Refs 5th c.BC], etc. 2. the room in which such parties were given, drinking-room , [Refs 2nd c.AD] (ML)
Thayer:
1) a drinking party, entertainment 1a) of the party itself, the guests 1b) rows of guests
συμπόσιον
sumposion
soom-pos'-ee-on
Neuter of a derivative of the alternate of G4844; a drinking party (“symposium”), that is, (by extension) a room of guests