cop·per [coppercoppers] BrE [ˈkɒpə(r)] NAmE [ˈkɑːpər] noun 1. uncountable (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.coppersplural (BrE)brown coins that do not have much value •I only paid a few coppers for it. 3. countable (BrE, informal)a police officer
Word Origin: senses 1 to 2 Old English copor coper Dutch koper German Kupfer late Latin cuprum Latin cyprium aes ‘Cyprus metal’ sense 3 mid 19th cent. ↑cop ↑-er
Example Bank: •Her hair shone like burnished copper. •She works mainly in copper. •copper alloyed with arsenic •Apparently, her dad's a copper. •There are a couple of coppers waiting outside.