grandma
n. countable A1 Beginner US //ˈɡɹændmɑ// UK //ɡɹˈændmɑː// grand·ma
n. the mother of your mother or father. It is a friendly, informal name for a grandmother.
n. the mother of one's parent. An informal, affectionate term for a grandmother.
My grandma makes the best apple pie.
Every Sunday, we visit my grandma at her house in the countryside.
The children spent the entire afternoon listening to their grandma recount stories of her childhood in a small coastal village.
From grand- + ma, after grandmother.
Usage
Often used as a proper noun when addressing the person directly, in which case it is capitalized.