/ Dictionary / Index T Theresa: Meaning and Definition of Find definitions for: The•re•sa Pronunciation: (tu-rē'su, -zu Sp. te-re'sä), [key] — n. Also called1515–82, Spanish Carmelite nun, mystic, and writer. a female given name. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: theresa (Thesaurus) there's Thérèse de Lisieux Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language