Definition of nursing mother in US English:

nursing mother

noun

  • A mother who breastfeeds her baby.

Origin

Mid 16th century (in an earlier sense). In sense 1 from nursing + mother, after Hebrew mēneqeṯ wet nurse, foster mother, use as noun of participle of hēnīqāh to nurse, suckle, breastfeed from yānaq to suck; compare nursing father.

Pronunciation

nursing mother

/ˈnəːsɪŋ ˌmʌðə/