COPPER

I. noun Usage: often attributive Etymology: Middle English coper, from Old English, from Late Latin cuprum ~, from Latin (aes) Cyprium, literally, Cyprian metal Date: before 12th century a common reddish metallic element that is ductile and malleable and is one of the best conductors of heat and electricity, a coin or token made of ~ or bronze, a large boiler (as for cooking), any of a subfamily (Lycaeninae of the family Lycaenidae) of small butterflies with usually ~-colored wings, II. transitive verb (~ed; ~ing) Date: 1530 to coat or sheathe with or as if with ~, III. noun Etymology: 2cop Date: 1846 police officer