/ Dictionary / Index B buckjump: Meaning and Definition of Find definitions for: buck•jump Pronunciation: (buk'jump"), [key] — v.i. (of a horse) to buck. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. buckish buckjumper Related Content Daily Word Quiz: dormant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language