What does the word copper mean?

Usage examples for copper

  1. Much to Charlie's satisfaction, the magnet did not pull the copper wire. – New National Fourth Reader by Charles J. Barnes and J. Marshall Hawkes
  2. He had saved money for nearly two years to buy the new copper- work. – Judith of the Cumberlands by Alice MacGowan
  3. She'd had bright copper hair, and her name had been- what had it been? – Pursuit by Lester del Rey