The noun copper has 5 senses (first 1 from tagged texts)
1. (8) copper, Cu, atomic number 29 -- (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)
2. copper -- (a copper penny)
3. bull, cop, copper, fuzz, pig -- (uncomplimentary terms for a policeman)
4. copper, copper color -- (a reddish-brown color resembling the color of polished copper)
5. copper -- (any of various small butterflies of the family Lycaenidae having coppery wings)
Overview of verb copper
The verb copper has 1 sense (no senses from tagged texts)