/ Dictionary / Index H hor.: Meaning and Definition of Find definitions for: hor. Pronunciation: [key] horizon. horizontal. horology. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hopvine hora Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language