noun one having the care of the kingdom during the king's minority; a regent.
2. protector ·noun one who, or that which, defends or shields from injury, evil, oppression, ·etc.; a defender; a guardian; a patron.
3. protector ·noun a cardinal, from one of the more considerable roman catholic nations, who looks after the interests of his people at rome; also, a cardinal who has the same relation to a college, religious order, ·etc.