īnstitūtum ī, n P. of instituo, a purpose, intention, design: consulatūs tui: pauca de instituto meo dicere: huius libri.

—A practice, custom, usage, habit: hi linguā, institutis differunt, Cs.: meretricium: utor instituto meo: abduci ab institutis suis, principles: aliorum instituto fecisse, precedent: contra omnium instituta, precedents: instituto suo copias eduxit, Cs.: militem ex instituto dare, according to usage, L.

—An institution, ordinance, decree, regulation: praetoris: instituta maiorum domi militiaeque, S.: omnia traditis institutis acta: patriae, N.: duarum vitarum instituta, plans.

—Plur., principles, elements: philosophiae.