/ Dictionary / Index G Grand Teton National Park: Meaning and Definition of Find definitions for: Grand' Te'ton Na'tional Park' Pronunciation: [key] a national park in NW Wyoming, including a portion of the Teton Range. 148 sq. mi. (383 sq. km). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. grandstand play grand theft Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language