What does the word mate mean?

Usage examples for mate

  1. I know of no savage custom or habit of thought which has not its mate in civilized countries. – A Cynic Looks at Life Little Blue Book #1099 by Ambrose Bierce
  2. They hanged my mate. – A Prince of Good Fellows by Robert Barr
  3. Thus the Sitares in the perfect state live long enough only to mate and to lay their eggs. – The Glow-Worm and Other Beetles by Jean Henri Fabre