What does the word square mean?

Usage examples for square

  1. I'll come back and square it. – Garrison's Finish A Romance of the Race-Course by W. B. M. Ferguson
  2. It is all right to get square with a man who does you a wrong, and the best way to get square is by doing him a good turn. – Dollars and Sense by Col. Wm. C. Hunter
  3. Besides, I'll give you a square deal." – Black Jack by Max Brand