/ Dictionary / Index L long horn: Meaning and Definition of Find definitions for: long' horn" Pronunciation: [key] a moist Cheddar of cylindrical shape, weighing about 12 lb. (5.4 kg). Long•horn Pronunciation: (lông'hôrn", long'-), [key] — n. (l.c.) See a Texan. (l.c.) See one of a nearly extinct English breed of beef cattle having long horns. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: longhorn (Thesaurus) long-headed long-horned beetle Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language