/ Dictionary / Index J jump dial: Meaning and Definition of Find definitions for: jump' di"al Pronunciation: [key] a timepiece dial in which the numbers are seen through apertures. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jump cut jump discontinuity Related Content Daily Word Quiz: nonchalant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language