/ Dictionary / Index J jumping hare: Meaning and Definition of Find definitions for: jump'ing hare" Pronunciation: [key] — n. springhare. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jumping gene jumping jack Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language