/ Dictionary / Index J justicoat: Meaning and Definition of Find definitions for: jus•ti•coat Pronunciation: ( jus'ti-kōt"), [key] — n. justaucorps. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. justiciary justifiable Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language