Ar·bi·trate v. t. [imp. & p. p. Arbitrated p. pr. & vb. n. Arbitrating ]
  1. To hear and decide, as arbitrators; as, to choose to arbitrate a disputed case.
  2. To decide, or determine generally.
  There shall your swords and lances arbitrate
  The swelling difference of your settled hate.   --Shak.