Nurse

1. n. Either one of the nurse sharks.
2. n. 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.
3. n. One who, or that which, brings up, rears, causes to grow, trains, fosters, or the like.
4. n. A lieutenant or first officer, who is the real commander when the captain is unfit for his place.
5. n. A peculiar larva of certain trematodes which produces cercariae by asexual reproduction. See Cercaria, and Redia.
6. v. t. To manage with care and economy, with a view to increase; as, to nurse our national resources.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.