noun
Freq #28006
Meanings
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1
noun
a prince of the former ruling house of Austria, especially a son or male-line grandson of an emperor
The archduke represented the imperial family at the state ceremony.
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2
noun
historical: the ruler of an archduchy, especially the Archduchy of Austria
The archduke governed the territory on behalf of the dynasty.
Thesaurus
Etymology
From Middle French archeduc, from Latin archidux, formed from Greek-derived arch- ("chief") + Latin dux ("leader"), the source of duke. The title became especially associated with the Habsburg rulers and princes of Austria.