/ Dictionary / Index C conventioner: Meaning and Definition of Find definitions for: con•ven•tion•er Pronunciation: (kun-ven'shu-nur), [key] — n. a conventioneer. a member of a convention. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. conventioneer conventual Related Content Daily Word Quiz: philately Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language