'Symposiarch' definitions:

Definition of 'symposiarch'

(from WordNet)
noun
The person who proposes toasts and introduces speakers at a banquet [syn: toastmaster, symposiarch]

Definition of 'Symposiarch'

From: GCIDE
  • Symposiarch \Sym*po"si*arch\, n. [Gr. ?, ?; ? a symposium + ? to be first, to rule.] (Gr. Antiq.) The master of a feast. [1913 Webster]