nana
n. countable A1 Beginner US //ˈnænə// nana Informal Slang
n. a casual word for grandmother. You use it when speaking to or about your mother's or father's mother in a friendly way.
n. an informal term for a grandmother, typically used by children or in familiar family contexts.
My nana makes the best apple pie.
She spends every Sunday afternoon baking cookies with her nana in the kitchen.
The old photographs revealed a woman of quiet dignity, though to her grandchildren she was simply 'nana', a source of endless warmth and stories.