/ Dictionary / Index H horse block: Meaning and Definition of Find definitions for: horse' block" Pronunciation: [key] a step or block of stone, wood, etc., for getting on or off a horse or in or out of a vehicle. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. horse bean horse brass Related Content Daily Word Quiz: supercilious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language