adj. Petitioning; soliciting; supplicating. Petitory suit or action (Admiralty Law), a suit in which the mere title to property is litigated and sought to be enforced, as distinguished from a possessory suit; also (Scots Law), a suit wherein the plaintiff claims something as due him by the defendant. That which demands or petitions that which has, the, quality of a prayer or petition; a right to demand. A petitory suit or action is understood to be one in which the mere title to property is to be enforced by means of a demand or petition, as distinguished from a possessory suit. In the ...