1. 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 Noun
2. A copper penny Noun
3. Uncomplimentary terms for a policeman Noun
4. A reddish-brown color resembling the color of polished copper Noun
5. Any of various small butterflies of the family Lycaenidae having coppery wings Noun