[noun] 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 Synonyms:Cu, atomic number 29
[noun] a copper penny
[noun] uncomplimentary terms for a policeman Synonyms:bull, cop, fuzz, pig
[noun] a reddish brown the color of polished copper Synonyms:color
[noun] any of various small butterflies of the family Lycaenidae having copper colored wings