<p><strong>Noun</strong></p><ul><li>Plural: thesauruses, thesauri</li><li>A dictionary of synonyms and antonyms, such as the online Thesaurus.com.</li><li>Any dictionary, encyclopedia, or other comprehensive reference book.</li><li>A storehouse, repository, or treasury.</li><li>Computers: 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.</li><li>A dictionary of synonyms and antonyms stored in memory for use in word processing.</li></ul><p><strong>End of Response</strong></p>