a.; also 7 archi-. [a. F. archiducal: see ARCHDUKE and -AL 1.] Of or pertaining to an archduke.
1665. Manley, Grotius’s Low-C. Wars, 573. He shew’d himself publikely in his Archiducal Habit.
1792. W. Guthrie’s Syst. Mod. Geog. (ed. 5), I. 514 (T.). It would be as useless as difficult to enumerate all the different quarterings and armorial bearings of the archducal family.
1861. Sat. Rev., 14 Sept., 270. His Imperial, Royal, Archducal, and Apostolic Majesty [of Austria].
