The Collaborative International Dictionary of English v.0.48:

Disfigurement \Dis*fig"ure*ment\, n.
   1. Act of disfiguring, or state of being disfigured;
      deformity. --Milton.
      [1913 Webster]

   2. That which disfigures; a defacement; a blot.
      [1913 Webster]

            Uncommon expressions . . . are a disfigurement
            rather than any embellishment of discourse. --Hume.
      [1913 Webster]

WordNet (r) 3.0 (2006):

disfigurement
    n 1: an appearance that has been spoiled or is misshapen; "there
         were distinguishing disfigurements on the suspect's back";
         "suffering from facial disfiguration" [syn:
         disfigurement, disfiguration, deformity]
    2: the act of damaging the appearance or surface of something;
       "the defacement of an Italian mosaic during the Turkish
       invasion"; "he objected to the dam's massive disfigurement of
       the landscape" [syn: defacement, disfigurement,
       disfiguration]

Moby Thesaurus II by Grady Ward, 1.0:

107 Moby Thesaurus words for "disfigurement":
   birthmark, blackhead, bleb, blemish, blister, bowlegs, bulla,
   cacophony, camelback, check, cicatrix, cleft palate, clubfoot,
   clumsiness, comedo, crack, crater, craze, crookback, defacement,
   defect, deformation, deformity, disfiguration, distortion,
   dysphemism, fault, flatfoot, flaw, freakishness, freckle,
   gracelessness, harelip, hemangioma, hickey, homeliness, humpback,
   hunchback, ill-favoredness, inelegance, keloid, kink, knock-knee,
   kyphosis, lentigo, lordosis, malconformation, malformation, milium,
   misproportion, misshape, mole, monstrosity, mutilation,
   needle scar, nevus, pimple, pit, plainness, pock, pockmark,
   port-wine mark, port-wine stain, pustule, rift, scab, scar,
   scratch, sebaceous cyst, shapelessness, splayfoot, split,
   strawberry mark, sty, swayback, talipes, teratology, torticollis,
   track, truncation, twist, uglification, uglifying, ugliness,
   unaestheticness, unattractiveness, unbeautifulness, uncomeliness,
   ungainliness, ungracefulness, unhandsomeness, unloveliness,
   unpleasingness, unprettiness, unshapeliness, unsightliness, valgus,
   verruca, vesicle, wale, warp, wart, weal, welt, wen, whitehead,
   wryneck