• (n.) A member of a curia, esp. of that of Rome or the later Italian sovereignties. • (a.) Of or pertaining to the papal curia; as, the curial etiquette of the Vatican.
Cu'ri·al adjective Of or pertaining to the papal curia; as, the curial etiquette of the Vatican. -- noun A member of a curia, esp. of that of Rome or the later Italian sovereignties.