Definition of regent

• a. - Ruling; governing; regnant.
• a. - Exercising vicarious authority.
• a. - One who rules or reigns; a governor; a ruler.
• a. - Especially, one invested with vicarious authority; one who governs a kingdom in the minority, absence, or disability of the sovereign.
• a. - One of a governing board; a trustee or overseer; a superintendent; a curator; as, the regents of the Smithsonian Institution.
• a. - A resident master of arts of less than five years' standing, or a doctor of less than twwo. They were formerly privileged to lecture in the schools.