/ Dictionary / Index E Epistle to the Galatians: Meaning and Definition of Find definitions for: Epis'tle to the Gala'tians Pronunciation: [key] a New Testament letter written by St. Paul the Apostle to the Christian churches of Galatia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. epistle side epistolary Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language