Definition of "nephew"

nephew

/ˈnɛf.ju/

noun
plural nephews
1. A son of one's sibling, brother-in-law, or sister-in-law; either a son of one's brother (fraternal nephew) or a son of one's sister (sororal nephew).
2. A son of one's cousin or cousin-in-law
3. (archaic) A son of one's child.
  Quotations
  Hir father many a time and oft would say my daughter deere,Of Nephewes thou my debtour art, their Graundsires heart to chéere.
  1567, Ovid, “The First Booke”, in Arthur Golding, transl., The XV. Bookes of P. Ouidius Naso, Entytuled Metamorphosis, […], London: […] Willyam Seres […]