'咱妈' (zán mā) is a colloquial, affectionate term meaning 'our mom' — used when the speaker and listener share the same mother, such as between siblings or sometimes between close family friends who refer to a mutual maternal figure. The character 咱 (zán) is a northern Chinese dialectal first-person plural pronoun meaning 'we' or 'us', carrying warmth and inclusivity; 妈 (mā) means 'mom'. Together, they form a kinship noun that emphasizes shared familial bonds rather than biological relation alone.

This term reflects Chinese cultural values of collective family identity and respectful intimacy. It’s commonly heard in informal spoken Mandarin, especially in northern regions, and often appears in conversations about family care, meals, holidays, or childhood memories. Unlike formal terms like 母亲 (mǔqīn), '咱妈' feels warm, familiar, and grounded in daily life — it would rarely appear in official documents or formal speeches, but is perfectly natural among relatives or long-time friends who’ve adopted familial closeness.