/ Dictionary / Index J jump spark: Meaning and Definition of Find definitions for: jump' spark" Pronunciation: [key] — Elect. Elect. spark (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jump shot jump-start Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language