copper

A reddish-brown color resembling the color of polished copper.

Uncomplimentary terms for a policeman.

A ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element; occurs in various minerals but is the only metal that occurs abundantly in large masses; used as an electrical and thermal conductor.

A copper penny.

Any of various small butterflies of the family Lycaenidae having coppery wings.

Coat with a layer of copper.