Black's Law Dictionary (2nd edition)dictionaries

Institoria Actio

Lat in the civil law. Tbe name of an action glven to those who had contracted with an inatitor (q. v.) to compel tbe principal to perform-ance. Inst. 4, 7, 2; Dig. 14, 3, 1; Story, Ag. § 426

Source: Black’s Law Dictionary 2nd Ed (1910)