/ Dictionary / Index A anthocyanin: Meaning and Definition of Find definitions for: an•tho•cy•a•nin Pronunciation: (an"thu-sī'u-nin), [key] — n. Biochem. any of a class of water-soluble pigments that give flowers the colors ranging from red to blue. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. anthocarpous anthodium Related Content Daily Word Quiz: cosmology Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language