From Longman Dictionary of Contemporary Englishnoblemanno‧ble‧man /ˈnəʊbəlmən $ ˈnoʊ-/ noun (plural noblemen /-mən/) [countable] HIGH POSITION OR RANKa man who is a member of the highest social class and has a title such as ‘Duke’
Examples from the Corpus
nobleman• An eccentric nobleman has never learned how to read a clock.• The Count, father-in-law of the Marquis, is the very embodiment of an eighteenth century enlightened nobleman.• The King has invited every great nobleman, every high officer of the church and the Knights of the Order from Kolossi.• Ministers of state, great noblemen, and royal favourites could expect this as a matter of course.• Small farms were assigned to sons of noblemen and promising warriors, on condition they reported annually for military service.• We bury our noblemen there, except that they have to lie at present without coffins.• With the birth of his firstborn son, the nobleman had thrown an elaborate party for hundreds of guests. 