/ Dictionary / Index G gliadin: Meaning and Definition of Find definitions for: gli•a•din Pronunciation: (glī'u-din, -dn), [key] — n. Biochem. a prolamin derived from the gluten of grain, as wheat or rye, used chiefly as a nutrient in high-protein diets. any prolamin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. glia glib Related Content Daily Word Quiz: endear Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language