/ Dictionary / Index V vaulting horse: Meaning and Definition of Find definitions for: vault'ing horse" Pronunciation: [key] — Gymnastics. Gymnastics. a padded, somewhat cylindrical floor-supported apparatus, braced horizontally at an adjustable height, used for hand support and pushing off in vaulting. Also calledCf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. vaulting vault light Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language