Nurse  —n. 1 person trained to care for the sick or infirm and assist doctors or dentists. 2 = *nursemaid. —v. (-sing) 1 a work as a nurse. B attend to (a sick person). 2 feed or be fed at the breast. 3 hold or treat carefully. 4 a foster; promote the development of. B harbour (a grievance etc.). [latin: related to *nourish]