GNU Collaborative International Dictionary of English

Found one definition

1.       
   Abator (ȧ‑bātˈẽr), n. (Law) (a) One who abates a nuisance. (b) A person who, without right, enters into a freehold on the death of the last possessor, before the heir or devisee.  Blackstone.
   
   [1913 Webster]