Ruling; governing.Exercising vicarious authority: as, a prince regent.Taking part in the government of a university.n. A ruler; a governor: in a general sense.n. One who is invested with vicarious authority; one who governs a kingdom in the minority, absence, or disability of the king.n. In the old universities, a master or doctor who takes part in the regular duties of instruction or government.n. In the State of New York, a member of the corporate body known as the University of the State of New York.To teach or superintend as a regent.To direct or control (a person) as a regent.To act as a regent of a university.