\Pos*sess"o*ry\, a. [L. possessorius: cf. F.
possessoire.]
Of or pertaining to possession, either as a fact or a right;
of the nature of possession; as, a possessory interest; a
possessory lord.
{Possessory action} or {suit} (Law), an action to regain or
   obtain possession of something. See under {Petitory}.