What is to caress; to fondle, as a nurse does. A. Trollope. To nurse billiard balls, to strike them gently and so as to keep them in good position during a series of caroms called?

nurse — To caress; to fondle, as a nurse does. A. Trollope. To nurse billiard balls, to strike them gently and so as to keep them in good position during a series of caroms. (Webster's 1913.)