Definition of noble noun from the Oxford Advanced Learner's Dictionary

 

noble

 noun
noun
BrE BrE//ˈnəʊbl//
 
; NAmE NAmE//ˈnoʊbl//
 
 
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a person who comes from a family of high social rank; a member of the nobility synonym aristocrat The cost of the arch was met by Milanese nobles. The regime was supported by a group of powerful nobles. Word Origin Middle English: from Old French, from Latin (g)nobilis ‘noted, high-born’, from an Indo-European root shared by know.
See the Oxford Advanced American Dictionary entry: noble