spo·li·a·tion 
(spō′lē-āshən)
(spō′lē-āshən)n.
1. The act of despoiling or plundering.
2. Law Unauthorized alteration or destruction of a legal document, such as a contract or will.
[Middle English spoliacioun, from Anglo-Norman, from Latin spoliātiō, spoliātiōn-, from spoliātus, past participle of spoliāre, to despoil; see SPOIL.]
spoli·a′tor n.