grandmother
n. countable A1 Beginner Oxford US //ˈɡɹændˌməðɝ// UK //ɡɹˈændmʌðɐ// grand·moth·er
n. the mother of your mother or father. You might call her 'grandma' or 'granny' for short.
n. the female parent of one's father or mother. Often used as a term of address in various hypocoristic forms like 'grandma' or 'nan'.
My grandmother visits us every Sunday for lunch.
She inherited her love of gardening from her grandmother, who spent every afternoon in the backyard.
The family gathered to celebrate their grandmother's eightieth birthday, sharing stories that spanned three generations of history.
From Middle English graundmodre, grauntmoder, granmoder; equivalent to grand- + mother. Compare French grand-mère. Superseded earlier eldmother, eldermother.