Meaning of COPPER in English

COPPER

/ ˈkɒpə(r); NAmE ˈkɑːp-/ noun

1.

[ U ] ( symb Cu ) a chemical element. Copper is a soft reddish-brown metal used for making electric wires, pipes and coins :

a copper mine

copper pipes

copper-coloured hair

2.

coppers [ pl. ] ( BrE ) brown coins that do not have much value :

I only paid a few coppers for it.

3.

[ C ] ( BrE , informal ) a police officer

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WORD ORIGIN

senses 1 to 2 Old English copor , coper (related to Dutch koper and German Kupfer ), based on late Latin cuprum , from Latin cyprium aes Cyprus metal (so named because Cyprus was the chief source).

sense 3 mid 19th cent.: from cop + -er .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.