grandmothernoun [ C ]
uk/ˈɡræn.mʌð.ər//ˈɡræm.mʌð.ər/us/ˈɡræn.mʌð.ɚ/informal grandma, granny, granA2 the mother of a person's father or mother:
Both my grandmothers were from Scotland.
 [ as form of address ] formal or old-fashioned Sit down here, Grandmother, and rest.
More examples
- My grandmother is in her eighties.
 - The apple pie was as good as the one my grandmother used to make.
 - My grandmother was booked for speeding last week.
 - He lives with his grandmother.
 - She was brought up by her grandmother.
 
Thesaurus: synonyms and related words
Family: relations in general
- aunt
 - auntie
 - baby daddy
 - be sb's own flesh and blood idiom
 - birth mother
 - fatherhood
 - filial
 - first cousin
 - fraternal
 - fraternal twin
 - loved one
 - maiden aunt
 - maternal
 - matriarch
 - mom-and-pop
 - son
 - uncle
 - working mother/father/parent
 - your nearest and dearest idiom
 - your own flesh and blood idiom
 
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Idiom(s)
teach your grandmother to suck eggs