乳母うば

noun

wet nurse; nursing mother

A woman employed to breastfeed and care for another's child, historically common in aristocratic and samurai families. The term is now largely historical.

• 江え戸ど時じ代だい、乳母うばは武ぶ家けの子こ供どもの養よう育いくに重じゅう要ような役やく割わりを果はたした。

  In the Edo period, wet nurses played an important role in raising children of samurai families.

• 彼かの女じょはその家いえの乳母うばとして長なが年ねん仕つかえた。

  She served for many years as the family's wet nurse.