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English definition of “thesaurus”

thesaurus

noun [C]  /θəˈsɔr·əs/ (plural thesauri  /θəˈsɔrˌɑɪ, -ˈsɔrˌi/, thesauruses) us  
a book or electronic text that helps you find words with similar meanings esp. by listing them together
(Definition of thesaurus from the Cambridge Academic Content Dictionary © Cambridge University Press)
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Definitions of “thesaurus” in other dictionaries

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