The Collaborative International Dictionary of English v.0.48:

Defeature \De*fea"ture\ (?; 135), n. [OF. desfaiture a killing,
   disguising, prop., an undoing. See Defeat, and cf.
   Disfeature.]
   1. Overthrow; defeat. [Obs.] "Nothing but loss in their
      defeature." --Beau. & Fl.
      [1913 Webster]

   2. Disfigurement; deformity. [Obs.] "Strange defeatures in my
      face." --Shak.
      [1913 Webster]