/ Dictionary / Index H Horse Guards: Meaning and Definition of Find definitions for: Horse' Guards" Pronunciation: [key] a body of cavalry serving as a guard. a cavalry brigade from the household troops of the British monarch. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. horse guard horsehair Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language