/ Dictionary / Index J Jasper National Park: Meaning and Definition of Find definitions for: Jas'per Na'tional Park' Pronunciation: [key] a national park in the Canadian Rockies in W Alberta, in SW Canada. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jasper Jaspers Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language