(~s)
1.
Copper is reddish brown metal that is used to make things such as coins and electrical wires.
Chile is the world’s largest producer of ~.
...a ~ mine.
N-UNCOUNT
2.
Copper is sometimes used to describe things that are reddish-brown in colour. (LITERARY)
His hair has reverted back to its original ~ hue.
ADJ: usu ADJ n
3.
A ~ is a policeman or a policewoman. (BRIT INFORMAL)
...your friendly neighbourhood ~.
N-COUNT