grandmother
noun /ˈɡrænmʌðə(r)/
/ˈɡrænmʌðər/
Idioms - the mother of your father or mother
- I always loved going to visit my grandmother.
Idioms
teach your grandmother to suck eggs
- (British English, informal) to tell or show somebody how to do something that they can already do well, and probably better than you can