/ Dictionary / Index A Apostolic Church: Meaning and Definition of Find definitions for: Ap'ostol'ic Church' Pronunciation: [key] the Christian church as founded by the apostles. See(def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. apostolic age apostolic delegate Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language