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Thesauri - 2 dictionary results

the⋅sau⋅rus

[thi-sawr-uhs]
–noun, plural -sau⋅rus⋅es, -sau⋅ri [-sawr-ahy] .
1. a dictionary of synonyms and antonyms.
2. any dictionary, encyclopedia, or other comprehensive reference book.
3. a storehouse, repository, or treasury.
4. Computers.
a. 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.
b. a dictionary of synonyms and antonyms stored in memory for use in word processing.

Origin:
1730–40; < L thēsaurus < Gk thēsaurós treasure, treasury
the·sau·rus   (thĭ-sôr'əs)   
n.   pl. the·sau·ri (-sôr'ī') or the·sau·rus·es
  1. A book of synonyms, often including related and contrasting words and antonyms.
  2. A book of selected words or concepts, such as a specialized vocabulary of a particular field, as of medicine or music.

[Latin thēsaurus, treasury, from Greek thēsauros.]
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