/ Dictionary / Index P piece of business: Meaning and Definition of Find definitions for: piece' of busi'ness Pronunciation: [key] business (def. 10). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. piecemeal piece of eight Related Content Daily Word Quiz: tranquil Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language