duchess
n. countable B2 Upper Intermediate US //ˈdətʃəs// UK //dˈʌtʃɛs// duchess
n. a woman who has the same high rank as a duke, or the wife of a duke. It is one of the highest titles in the British royal family and other European systems.
n. the wife or widow of a duke, or a woman holding the highest rank of the hereditary peerage in her own right. Often used as a formal title preceding a name.
The Duchess attended the charity event yesterday.
After the wedding, the Queen granted her the title of Duchess of Sussex.
Historical records indicate that the Duchess wielded significant political influence at court, often acting as a mediator between the King and the local nobility.
Usage
Capitalised when used as a specific title before a name or when referring to a specific person in place of their name.