/ Dictionary / Index R reunionist: Meaning and Definition of Find definitions for: re•un•ion•ist Pronunciation: (rē-yn'yu-nist), [key] — n. a person who advocates the reunion of the Anglican Church with the Roman Catholic Church. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. reunion reunite Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language