Lat. In the civil law. A following after ; a pursuing at law; a suit or prosecution. Properly that kind of judicial proceeding before the prretor which was called “extraordinary.” In a general sense, any judicial proceeding, including not only “actions,” (actiones,) properly so called, but other proceedings also. Calvin. PERSEQUI. Lat. In the civil law. To follow after; to pursue or claim in form of law. An action is called a “jus persequendi.