/ Dictionary / Index Y yellowbelly: Meaning and Definition of Find definitions for: yel•low•bel•ly Pronunciation: (yel'ō-bel"ē), [key] — pl. -lies. a person who is without courage, fortitude, or nerve; coward. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. yellow-bellied sapsucker yellow bile Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language