The Collaborative International Dictionary of English v.0.48:

Spoliative \Spo"li*a*tive\ (sp[=o]"l[i^]*[asl]*t[i^]v), a. [Cf.
   F. spoliatif.]
   Serving to take away, diminish, or rob; esp. (Med.), serving
   to diminish sensibly the amount of blood in the body; as,
   spoliative bloodletting.
   [1913 Webster]