Английский разговорный словарь (основной) - archduke
Archduke
archduke
n. (fem. archduchess) hist. thechiefduke (esp. as the title of a son of the Emperor of Austria). øøarchducal adj. archduchy n. (pl. -ies). [OF archeduc f. med.L archidux -ducis (as ARCH-, DUKE)]