a woman A woman is an adult female human being, as contrasted with a man, an adult male, and a girl, a female child
a woman who breast - feeds a child that is not her biological child
a woman who breastfeeds someone else's baby
a woman who is able to easily induce lactation and produce enough milk to breast feed an infant, while not having been pregnant herself
a woman who nurses a baby not her own
A wet nurse is a woman who breast feeds a baby that is not her own.