/ Dictionary / Index Y yellow bile: Meaning and Definition of Find definitions for: yel'low bile' Pronunciation: [key] one of the four elemental bodily humors of medieval physiology, regarded as causing anger; choler. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. yellowbelly yellow-billed cuckoo Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language