One who nourishes; a person who supplies food, tends, or brings up; as_ (a) A woman who has the care of young children; especially, one who suckles an infant not her own. (b) A person, especially a woman, who has the care of the sick or infirm, Hence, one who or that which nurtures, trains, cherishes, or protects, n A person trained to provide medical care for the sick or disabled, especially one who is licensed and works in a hospital or physician's office, intransitive verb_ To cause or allow to take milk from the breast, To try to cure by special care or treatment, To consume slowly, especially in order to conserve, transitive verb_ To nourish; to cherish; to foster, To nourish at the breast; to suckle; to feed and tend, as an infant