/ Dictionary / Index J Jackson Hole: Meaning and Definition of Find definitions for: Jack'son Hole' Pronunciation: [key] a valley in NW Wyoming, near the Teton Range: wildlife preserve. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Jackson Day Jacksonian Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language