Royal honors
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In the language of diplomacy, this term designates the privilege enjoyed by every empire or kingdom in Europe, by the pope, the grand duchies of Germany, and the Germanic and Swiss confederations, to precedence over ali others who do not enjoy the same rank, with the exclusive right of sending to other states public ministers of the first rank, as ambassadors, together With other distinctive titles and ceremonies. Wheat. Int. Law, pt.
2, c. 3, § 2.