deface (v.) 2
[heraldry] efface, obliterate, blot out
2H6 I.i.100 [Gloucester to all, of the contract between the King and Queen] Defacing monuments of conquered France
2H6 IV.i.42 [Whitmore to Suffolk] Broke be my sword, my arms torn and defaced
MV III.ii.299 [Portia to Bassanio, of Shylock] Pay him six thousand, and deface the bond
Sonn 6.1 [] Then let not winter's ragged hand deface / In thee thy summer