/ Dictionary / Index A ahorse: Meaning and Definition of Find definitions for: a•horse Pronunciation: (u-hôrs'), [key] — adj., adv. on horseback: to escape ahorse. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ahorse (Thesaurus) A horizon ahoy Related Content Daily Word Quiz: pedagogy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language