A

(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. A party who abates a nuisance or a party who having no right of entry, gets possession of the freehold to the prejudice of an heir or devisee, after the time when the ancestor died, and before the heir or devisee enters. An occupier without color of title.