noun🔗ShareDuchéA dominion or region ruled by a duke or duchess. (A grand duchy may be a self-governing state. A simple duchy tends to be a part of a larger kingdom or empire.)"The duke's family lived in the castle at the center of their duchy, overseeing the farms and villages within its borders. "La famille du duc vivait dans le château au centre de son duché, supervisant les fermes et les villages à l'intérieur de ses frontières.politicsgovernmentroyalhistorystatenationplaceChat with AIVocabulary GamePractice Reading