What does the word double mean?

Usage examples for double

  1. Modeste was living a double existence. – Modeste Mignon by Honore de Balzac
  2. And finally to be rid of Selden and the double game he was obliged to play, Peter Drew left with his wife one night and did not return for fifteen years. – The Heritage of the Hills by Arthur P. Hankins
  3. It's a double star, you see. – The Mayor of Warwick by Herbert M. Hopkins