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Meaning of thesaurus

the•sau•rus

Pronunciation: (thi-sôr'us), [key]
— pl. -sau•rus•es, -sau•ri
  1. a dictionary of synonyms and antonyms.
  2. any dictionary, encyclopedia, or other comprehensive reference book.
  3. a storehouse, repository, or treasury.
    1. an index to information stored in a computer, consisting of a comprehensive list of subjects concerning which information may be retrieved by using the proper key terms.
    2. a dictionary of synonyms and antonyms stored in memory for use in word processing.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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