The Collaborative International Dictionary of English v.0.48:

Traduce \Tra*duce"\, v. t. [imp. & p. p. Traduced; p. pr. &
   vb. n. Traducing.] [L. traducere, traductum, to lead
   across, lead along, exhibit as a spectacle, disgrace,
   transfer, derive; trans across, over + ducere to lead: cf. F.
   traduire to transfer, translate, arraign, fr. L. traducere.
   See Duke.]
   1. To transfer; to transmit; to hand down; as, to traduce
      mental qualities to one's descendants. [Obs.] --Glanvill.
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   2. To translate from one language to another; as, to traduce
      and compose works. [Obs.] --Golden Boke.
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   3. To increase or distribute by propagation. [Obs.]
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            From these only the race of perfect animals were
            propagated and traduced over the earth. --Sir M.
                                                  Hale.
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   4. To draw away; to seduce. [Obs.]
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            I can forget the weakness
            Of the traduced soldiers.             --Beau. & Fl.
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   5. To represent; to exhibit; to display; to expose; to make
      an example of. [Obs.] --Bacon.
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   6. To expose to contempt or shame; to represent as blamable;
      to calumniate; to vilify; to defame.
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            The best stratagem that Satan hath . . . is by
            traducing the form and manner of them [prayers], to
            bring them into contempt.             --Hooker.
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            He had the baseness . . . to traduce me in libel.
                                                  --Dryden.
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   Syn: To calumniate; vilify; defame; disparage; detract;
        depreciate; decry; slander.
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WordNet (r) 3.0 (2006):

traduce
    v 1: speak unfavorably about; "She badmouths her husband
         everywhere" [syn: badmouth, malign, traduce, drag
         through the mud]