duke
n. countable C1 Advanced US //ˈduk// UK //djˈuːk// duke
n. a man of very high social rank, just below a prince. In some countries, this is the highest title a person can have in the nobility.
n. the highest rank of the peerage in Great Britain and other European countries, ranking below a prince or monarch. Often used as a formal title of address.
The Duke lives in a large castle in the countryside.
After the ceremony, the Duke addressed the crowd to thank them for their support of the local charity.
Historical records indicate that the Duke wielded significant political influence within the royal court, often acting as a primary advisor to the king during times of diplomatic crisis.
Usage
When used as a title before a name, it is capitalized; otherwise, it remains lowercase.