/ Dictionary / Index E established church: Meaning and Definition of Find definitions for: estab'lished church' Pronunciation: [key] a church that is recognized by law, and sometimes financially supported, as the official church of a nation. Also calledCf. national church. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. establish establishment Related Content Daily Word Quiz: divulge Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language