（构词成分）: ～ 妈 [- mā] [方] ❶ （母亲） ma; mum; mummy; mother ❷ （伯母） wife of father's elder brother; aunt ❸ （尊称年长的已婚妇女） aunt (an affectionate or respectful form of address for an elderly woman); auntie; aunty 另见 see also mǔ。
姆mǔ
❶ （古代教育未出嫁女子的妇人） governess of girls ❷ [书] （乳母） wet nurse ❸ [书] （丈夫的嫂子） husband's sister-in-law 另见 see also 。 ◆姆欧 {电} mho; reciprocal ohm