/ Dictionary / Index H horn-mad: Meaning and Definition of Find definitions for: horn-mad Pronunciation: (hôrn'mad'), [key] — adj. furiously enraged; intensely angry. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hornito horn of plenty 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