copper
noun
°a reddish-brown, malleable, ductile metallic element with high electrical and thermal conductivity, symbol Cu, and atomic number 29.
°Something made of copper.
adjective
°Made of copper.
°Having the reddish-brown colour/color of copper.
verb
°To sheathe or coat with copper.
synonyms: chestnut, russet, coppery, police officer