1. • noun - a ductile malleable reddish-brown corrosion-resistant diamagnetic metallic element
   • noun - a copper penny
   • noun - uncomplimentary terms for a policeman
   • noun - a reddish-brown color resembling the color of polished copper
   • noun - any of various small butterflies of the family Lycaenidae having coppery wings
   • verb - coat with a layer of copper
2. • Cu A ductile, malleable, reddish-brown metallic element that is an excellent conductor of heat and electricity and is widely used for electrical wiring, water piping, and corrosion-resistant parts, either pure or in alloys such as brass and bronze.
   • A coin, usually of small denomination, made of copper or a copper alloy.
   • A large cooking pot made of copper or often of iron.
   • Any of various small butterflies of the subfamily Lycaeninae, having predominantly copper-colored wings.
   • A reddish brown.
   • To coat or finish with a layer of copper.
   • To bet against, as in faro.
   • A police officer.
3. • v - to cover with copper (a metallic element)

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