/ Dictionary / Index S symposiac: Meaning and Definition of Find definitions for: sym•po•si•ac Pronunciation: (sim-pō'zē-ak"), [key] — adj. of, pertaining to, or suitable for a symposium. —n. a symposium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sympodium symposiarch Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language