/ Dictionary / Index T tercet: Meaning and Definition of Find definitions for: ter•cet Pronunciation: (tûr'sit, tûr-set'), [key] — n. a group of three lines rhyming together or connected by rhyme with the adjacent group or groups of three lines. triplet (def. 5). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tercet (Thesaurus) tercentenary terebene Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language