/ Dictionary / Index V vitellin: Meaning and Definition of Find definitions for: vi•tel•lin Pronunciation: (vi-tel'in, vī-), [key] — n. Biochem. a phosphoprotein in the yolk of eggs. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Vitebsk vitelline Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language