/ Dictionary / Index T Tarn-et-Garonne: Meaning and Definition of Find definitions for: Tarn-et-Ga•ronne Pronunciation: (tar'nā-ga-rôn'), [key] — n. a department in S France. 183,314; 1440 sq. mi. (3730 sq. km). Cap.: Montauban. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Tarne tarnish Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language