/ Dictionary / Index J jump wire: Meaning and Definition of Find definitions for: jump' wire" Pronunciation: [key] — Elect. Elect. jumper (def. 6). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jump turn jumpy Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language