/ Dictionary / Index T tierce: Meaning and Definition of Find definitions for: tierce Pronunciation: (tērs), [key] — n. an old measure of capacity equivalent to one third of a pipe, or 42 wine gallons. a cask or vessel holding this quantity. the third of the seven canonical hours, or the service for it, originally fixed for the third hour of the day (or 9 a.m.). the third of eight defensive positions. a sequence of three cards of the same suit, as an ace, king, and queenor a king, queen, and jack a third or third part. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tierce (Thesaurus) tier tierced Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language