type genus of the Lycaenidae; small slender butterflies with upper surface of wings usually metallic blue or green or copper | any of various small butterflies of the family Lycaenidae having coppery wings |
| a reddish-brown color resembling the color of polished copper |
| uncomplimentary terms for a policeman |
| a copper penny |
| 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 |