/ Dictionary / Index T Theatine: Meaning and Definition of Find definitions for: The•a•tine Pronunciation: (thē'u-tin, -tīn", -tēn"), [key] — n. a member of a congregation of regular clerics, founded in Italy in 1524 to combat Protestantism and promote higher morality among Roman Catholics. a member of a congregation of nuns, founded in Italy in 1583 under the direction of the Theatine fathers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. theater of war theatre Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language