noun
Familiar, affectionate term for one's own mother, similar to 母ちゃん but with the polite prefix お. Used in casual family settings, especially by children or when speaking to children.
See also: 母ちゃん
お母ちゃん、今日の晩ごはんなに?
Mum, what's for dinner tonight?
うちのお母ちゃんは料理が上手やねん。
My mum is good at cooking.