/ Dictionary / Index H hackamore: Meaning and Definition of Find definitions for: hack•a•more Pronunciation: (hak'u-môr", -mōr"), [key] — n. a simple looped bridle, by means of which controlling pressure is exerted on the nose of a horse, used chiefly in breaking colts. any of several forms of halter used esp. for breaking horses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hackamore (Thesaurus) hack hackberry Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language