› a single thing of a particular type, especially one of many: a piece of sth A faulty piece of software caused the bank's online facility to shut down for three hours. He produced an excellent piece of work. a piece of data/evidence/information
› a coin that has a value below 100 pence, cents, etc.: a fifty-pence/fifty-cent piece
pay/buy/sell by the piece › COMMERCE to pay for, buy, or sell something in single units rather than in groups: The stitchers are paid a salary rather than by the piece. In those days stores sold candy by the piece for a penny.
→ See also mailing piece