n pl , -siums, -sia
1 a conference or meeting for the discussion of some subject, esp. an academic topic or social problem
2 a collection of scholarly contributions, usually published together, on a given subject
3 (in classical Greece) a drinking party with intellectual conversation, music, etc.
(C16: via Latin from Greek sumposion, from sumpinein to drink together, from sum- syn- + pinein to drink)
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