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English definition of “library”

library

noun [C] uk   /ˈlaɪ.brər.i/ /-brer.i/ us  
A2 a building, room, or organization that has a collection, especially of books, for people to read or borrow usually without payment: a public/university library a library bookRoomsPublic buildings a collection or set of books or other things, all produced in the same style or about the same subject: the Penguin Shakespeare LibraryGroups and collections of thingsVariety and mixturesBooks and parts of books
(Definition of library from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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