Black's Law Dictionary (2nd edition)dictionaries

Prerogative

An exclusive or peculiar privilege. The special power, privilege, immunity, or advantage vested in an offi-cial person, either generally, or in respect to the things of his office, or in an official body, as a court or legislature. See Attorney General v. Blossom, 1 wis. 817; Attorney General v. Eau Claire, 37 wis. 443

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