/ Dictionary / Index J jelly coat: Meaning and Definition of Find definitions for: jel'ly coat" Pronunciation: [key] — Biochem. Biochem. an ovum-produced glycoprotein that causes adhesion of sperm to the ovum; fertilizin. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. jellybean jelly doughnut Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language