The Collaborative International Dictionary of English v.0.48:

Defraud \De*fraud"\, v. t. [imp. & p. p. Defrauded; p. pr. &
   vb. n. Defrauding.] [L. defraudare; de- + fraudare to
   cheat, fr. fraus, fraudis, fraud: cf. OF. defrauder. See
   Fraud.]
   To deprive of some right, interest, or property, by a
   deceitful device; to withhold from wrongfully; to injure by
   embezzlement; to cheat; to overreach; as, to defraud a
   servant, or a creditor, or the state; -- with of before the
   thing taken or withheld.
   [1913 Webster]

         We have defrauded no man.                --2 Cor. vii.
                                                  2.
   [1913 Webster]

         Churches seem injured and defrauded of their rights.
                                                  --Hooker.
   [1913 Webster]

WordNet (r) 3.0 (2006):

defraud
    v 1: deprive of by deceit; "He swindled me out of my
         inheritance"; "She defrauded the customers who trusted
         her"; "the cashier gypped me when he gave me too little
         change" [syn: victimize, swindle, rook, goldbrick,
         nobble, diddle, bunco, defraud, scam, mulct,
         gyp, gip, hornswoggle, short-change, con]