Nurse

v. t.
  1. To nourish; to cherish; to foster
  2. To bring up; to raise, by care, from a weak or invalid condition; to foster; to cherish; -- applied to plants, animals, and to any object that needs, or thrives by, attention.
  3. To manage with care and economy, with a view to increase; as, to nurse our national resources.
  4. To caress; to fondle, as a nurse does.
    1. To nourish at the breast; to suckle; to feed and tend, as an infant.
    2. To take care of or tend, as a sick person or an invalid; to attend upon.
    To nurse billiard balls ,
    to strike them gently and so as to keep them in good position during a series of caroms.