Source : Webster's Revised Unabridged Dictionary (1913)

Grapple \Grap"ple\, v. i.
   To use a grapple; to contend in close fight; to attach one's
   self as if by a grapple, as in wrestling; to close; to seize
   one another.

   {To grapple with}, to enter into contest with, resolutely and
      courageously.

            And in my standard bear the arms of York, To grapple
            with the house of Lancaster.          --Shak.