COOPER Meaning of COOPER in English coo ‧ per /ˈkuːpə $ -ər/ BrE AmE noun [countable] [ Date: 1400-1500 ; Language: Middle Dutch ; Origin: cuper , from cupe ; ⇨ ↑ coop ] someone who makes ↑ barrel s Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012