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

  

nephew

 noun
noun
BrE BrE//ˈnefjuː//
 
; NAmE NAmE//ˈnefjuː//
 
; BrE BrE//ˈnevjuː//
 
; NAmE NAmE//ˈnevjuː//
 
Relations
 
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the son of your brother or sister; the son of your husband’s or wife’s brother or sister compare niece See related entries: Relations Word Origin Middle English: from Old French neveu, from Latin nepos ‘grandson, nephew’, from an Indo-European root shared by Dutch neef and German Neffe.
See the Oxford Advanced American Dictionary entry: nephew