Definitions of library:

• noun:   a depository built to contain books and other materials for reading and study
• noun:   a room where books are kept

  Example: "They had brandy in the library"

• noun:   a building that houses a collection of books and other materials
• noun:   (computing) a collection of standard programs and subroutines that are stored and available for immediate use
• noun:   a collection of literary documents or records kept for reference or borrowing