/ Dictionary / Index Y yeast cake: Meaning and Definition of Find definitions for: yeast' cake" Pronunciation: [key] a small cake of compacted yeast for baking or the like. a cake or sweet bread containing yeast as a leavening agent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. yeast yeast nucleic acid 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