actio negotiorum gestorum

(ak-shee-oh n[schwa]-goh-shee-or-[schwa]m jes-tor-[schwa]m).Roman law. An action against a gestor for the mismanagement of the principal’s property, or for any acquisitions made in the course of management. • The gestor could bring a counteraction to recover management-related expenses (actio contraria negotiorum gestorum). Pl. actiones negotiorum gestorum See NEGOTIORUM GESTOR.