The Collaborative International Dictionary of English v.0.48:

Disfigure \Dis*fig"ure\ (?; 135), v. t. [imp. & p. p.
   Disfigured; p. pr. & vb. n. Disfiguring.] [OF.
   desfigurer, F. d['e]figurer; pref. des- (L. dis-) + figurer
   to fashion, shape, fr. L. figurare, fr. figura figure. See
   Figure, and cf. Defiguration.]
   To mar the figure of; to render less complete, perfect, or
   beautiful in appearance; to deface; to deform.
   [1913 Webster]

         Disfiguring not God's likeness, but their own.
                                                  --Milton.

   Syn: To deface; deform; mar; injure.
        [1913 Webster]