A woman of respect, especially someone's wife
Bibi yake anafanya kazi kama mwalimu.
— His wife works as a teacher.
Bibi wa mzee aliwakaribisha wageni kwa upendo.
— The elder's wife welcomed the guests with love.
"This is a respectful title used to refer to or address a woman, especially in formal settings, letters, or speeches." "It is used in salutations for letters ('Dear Madam') or when introducing someone with an official title (e.g., 'Madam Speaker')."
Bibi Mwenyekiti, naomba kutoa hoja yangu
— Madam Chairperson, I would like to raise my point
"This is your father's mother or your mother's mother. In many parts of East Africa, the word 'bibi' is used more often to mean 'grandmother' rather than meaning 'wife'."

Bibi yangu anajua kusimulia hadithi nzuri za kale.
— My grandmother knows how to tell great ancient stories