library UK /ˈlaɪ.bɹi/US /ˈlaɪˌbɹɛɹ.i/ noun8 •a place where the public can use books and other media, or take them home for a short timeShe went to exchange her books at her local library. •Any institution that lends out its goods for use by the public or a community.You can check out a bandsaw from the tool library. •A collection of books or other forms of stored information.A small library of books has been written on the subject. — 1896 •A collection of information or reference materials not in book form.She has the most impressive record library I've ever seen. •A collection of software routines that provide functionality to be incorporated into or used by a computer program.A static library is much like any other library in that it contains a bunch of code for your application to use. — 2014 •A collection of DNA material from a single organism or relative to a single disease. •A room dedicated to storing books. •The deck or draw pile.The deck becomes the draw pile, also called the library, from which each player repeatedly draws cards for his or her own hand, cards that are gradually included into the game. — 2010 formslibraries