/ Dictionary / Index T tierced: Meaning and Definition of Find definitions for: tierced Pronunciation: (tērst), [key] — adj. Heraldry. (of an escutcheon) divided vertically or horizontally into three equal parts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tierce tiercel Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language