Disfigurement, n.
1. Act of disfiguring, or state of being disfigured; deformity. Milton.
2. That which disfigures; a defacement; a blot. Uncommon expressions . . . are a disfigurement rather than any embellishment of discourse. Hume.
Shades of meaning
Fernald has no entry of its own for disfigurement; he lists it under blemish.
He lists it without comment; the entries above explain its neighbors.