/ Dictionary / Index T Tennessee Valley Authority: Meaning and Definition of Find definitions for: Ten'nessee Val'ley Author"ity. Pronunciation: [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Tennessee Tennessee walking horse Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language