/ Dictionary / Index H hesperidin: Meaning and Definition of Find definitions for: hes•per•i•din Pronunciation: (he-sper'i-din), [key] — n. Biochem. a crystallizable, bioflavinoid glycoside, CHO, occurring in most citrus fruits, esp. in the spongy envelope of oranges and lemons. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Hesperides hesperidium Related Content Daily Word Quiz: sylvan Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language