The Collaborative International Dictionary of English v.0.48:

Fork \Fork\, v. t.
   To raise, or pitch with a fork, as hay; to dig or turn over
   with a fork, as the soil.
   [1913 Webster]

         Forking the sheaves on the high-laden cart. --Prof.
                                                  Wilson.
   [1913 Webster]

   To fork over To fork out, to hand or pay over, as money;
      to cough up. [Slang] --G. Eliot.
      [1913 Webster]