nobleman
n. countable B2 Upper Intermediate US //ˈnoʊbəɫmən// UK //nˈəʊbəlmən// no·ble·man
n. a man who belongs to a high social class and has a special title like 'Duke' or 'Lord'. These titles are usually passed down from his parents.
n. a man belonging to the aristocracy by birth or title. Often associated with hereditary rank and land ownership in historical or monarchical contexts.
The nobleman lived in a large castle in the countryside.
In many historical novels, the nobleman must choose between his family duty and his personal happiness.
The rise of the merchant class gradually eroded the political influence once held exclusively by the nobleman, shifting power toward those with commercial rather than hereditary wealth.
From noble + man.
Usage
The plural form is 'noblemen'.