say it: LAHY-breh-ree
library is a noun meaning "a room where books are kept". It carries 5 recorded senses.
a collection of literary documents or records kept for reference or borrowing
a depository built to contain books and other materials for reading and study
(computing) a collection of standard programs and subroutines that are stored and available for immediate use
programming
a building that houses a collection of books and other materials
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for library come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.