/ Dictionary / Index C communionist: Meaning and Definition of Find definitions for: com•mun•ion•ist Pronunciation: (ku-myn'yu-nist), [key] — n. Eccles. a person with a particular view or interpretation of communion, as specified. a communicant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. communion cup communion of saints Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language