/ Dictionary / Index H horse parlor: Meaning and Definition of Find definitions for: horse' par"lor Pronunciation: [key] a gambling room where people can bet on horse races with a bookmaker. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. horse opera horse pistol 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