/ Dictionary / Index H hordein: Meaning and Definition of Find definitions for: hor•de•in Pronunciation: (hôr'dē-in), [key] — n. Biochem. a simple protein of the prolamin class, found in barley grain. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. horde hordeolum Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language