Source : Webster's Revised Unabridged Dictionary (1913)

Surplusage \Sur"plus*age\, n. [See {Surplus}, and cf.
   {Superplusage}.]
   1. Surplus; excess; overplus; as, surplusage of grain or
      goods beyond what is wanted.

            Take what thou please of all this surplusage.
                                                  --Spenser.

            A surplusage given to one part is paid out of a
            reduction from another part of the same creature.
                                                  --Emerson.

   2. (Law) Matter in pleading which is not necessary or
      relevant to the case, and which may be rejected.

   3. (Accounts) A greater disbursement than the charge of the
      accountant amounts to. [Obs.] --Rees.

Source : WordNet®

surplusage
     n : a quantity much larger than is needed [syn: {excess}, {surplus},
          {nimiety}]