1.A private
commercial establishment for the lending
of books, the borrower paying either a fixed sum for each book lent or a periodical subscription.
2.a great mass of learning or knowledge;
3.the objects of a
person's study, the sources on which
he depends for instruction.
4.Computers. An organized collection of routines, esp. of tested routines suitable for a particular model of computer
5.Biology. a collection of sequences of DNA … that
represent the genetic material of a particular
organism or tissue
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