/ Dictionary / Index G gluten: Meaning and Definition of Find definitions for: glu•ten Pronunciation: (glt'n), [key] — n. the tough, viscid, nitrogenous substance remaining when the flour of wheat or other grain is washed to remove the starch. glue or a gluey substance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: gluten (Thesaurus) glutelin gluten bread Related Content Daily Word Quiz: portent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language