ETYM Old Eng. nourse, nurice, norice, Old Fren. nurrice, norrice, nourrice, French nourrice, from Latin nutricia nurse, prop., fem. of nutricius that nourishes; akin to nutrix, -icis, nurse, from nutrire to nourish. Related to Nourish, Nutritious.
One skilled in caring for the sick (usually under the supervision of a physician).

A woman hired to suckle a child of someone else; SYN. amah.