The Collaborative International Dictionary of English v.0.48:

Surcharge \Sur*charge"\, v. t. [imp. & p. p. Surcharged; p.
   pr. & vb. n. Surcharging.] [F. surcharger. See Sur-, and
   Charge, and cf. Overcharge, Supercharge, Supercargo.]
   1. To overload; to overburden; to overmatch; to overcharge;
      as, to surcharge a beast or a ship; to surcharge a cannon.
      [1913 Webster]

            Four charged two, and two surcharged one. --Spenser.
      [1913 Webster]

            Your head reclined, as hiding grief from view,
            Droops like a rose surcharged with morning dew.
                                                  --Dryden.
      [1913 Webster]

   2. (Law)
      (a) To overstock; especially, to put more cattle into, as
          a common, than the person has a right to do, or more
          than the herbage will sustain. Blackstone.
      (b) (Equity) To show an omission in (an account) for which
          credit ought to have been given. --Story. Daniel.
          [1913 Webster]

   3. To print or write a surcharge on (a postage stamp).
      [Webster 1913 Suppl.]