cooper /ˈkuːpə(ɹ)/noun 2verb 3forms 3 noun2 •a worker who makes and fixes barrels and other round things of wood that hold water or wine •(no longer used) A drink of half stout and half porter. verb3 •To make and repair barrels etc. •(slang, no longer used) To intentionally injure (a racehorse) to spoil its chances of winning. •(slang, no longer used) To forge or imitate (writing).[…] though, owing to his forged signatures having been too often detected, he was declared to be "a duffer at coopering a monekur." — 1872 formscoopered · coopering · coopers
