Source : Webster's Revised Unabridged Dictionary (1913)

Defray \De*fray"\, v. t. [imp. & p. p. {Defrayed}; p. pr. & vb.
   n. {Defraying}.] [F. d['e]frayer; pref. d['e]- (L. de or
   dis-) + frais expense, fr. LL. fredum, fridum, expense, fine
   by which an offender obtained peace from his sovereign, or
   more likely, atoned for an offense against the public peace,
   fr. OHG. fridu peace, G. friede. See {Affray}.]
   1. To pay or discharge; to serve in payment of; to provide
      for, as a charge, debt, expenses, costs, etc.

            For the discharge of his expenses, and defraying his
            cost, he allowed him . . . four times as much.
                                                  --Usher.

   2. To avert or appease, as by paying off; to satisfy; as, to
      defray wrath. [Obs.] --Spenser.

Source : WordNet®

defray
     v : bear the expenses of