/ Dictionary / Index H hole in one: Meaning and Definition of Find definitions for: hole' in one' Pronunciation: [key] — Golf. Golf. ace (def. 8a). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hole-high holeproof Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language