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Noun: grandmother  'gran(d),mú-dhu(r)
  1. The mother of your father or mother
    - grandma, granny [Brit], grannie [Brit], gran, nan [Brit, informal], nanna [Brit, informal], grandmama [archaic], nana [informal], grandmamma [archaic], nanny [Brit, informal]

Derived forms: grandmothers

Type of: grandparent

Encyclopedia: Grandmother