library in WordNet English dictionary

1. a depository built to contain books and other materials for reading and study
   library  depository library 
   
2. a room where books are kept
   "they had brandy in the library"
   library 
   
3. a building that houses a collection of books and other materials
   library 
   
4. a collection of literary documents or records kept for reference or borrowing
   library 
   
5. (computing) a collection of standard programs and subroutines that are stored and available for immediate use
   library  program library  subroutine library