thesaurus

16th century, from Latin thēsaurus, from Ancient Greek θησαυρός (thēsaurós, “storehouse, treasure”); its current English usage/meaning was established soon after the publication of Peter Roget's Thesaurus of English Words and Phrases in 1852

• IPA^(key): /θɪˈsɔːɹəs/
• Rhymes: -ɔːɹəs

thesaurus (plural thesauri or thesauruses)

1. A publication, usually in the form of a book, that provides synonyms (and sometimes antonyms) for the words of a given language.

   "Roget" is the leading brand name for a print English thesaurus that lists words under general concepts rather than just close synonyms.

2. (archaic) A dictionary or encyclopedia.
3. (information science) A hierarchy of subject headings — canonic titles of themes and topics, the titles serving as search keys.

• synonymicon

• metathesaurus
• thesaural

• ontology
• Wiktionary's thesaurus
• Appendix:Roget's thesaurus classification

• thesaurus in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• thesaurus in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• Roget's Thesaurus can be found at: http://www.bartleby.com/thesauri

• thēnsaurus

From Ancient Greek θησαυρός (thēsaurós, “storehouse, treasure”).

• (Classical) IPA^(key): /tʰeːˈsau̯.rus/, [tʰeːˈsau̯.rʊs]
• (Ecclesiastical) IPA^(key): /teˈsau̯.rus/

thēsaurus m (genitive thēsaurī); second declension

1. treasure, hoard
   • 405, Jerome and others, Vulgate, Daniel 1:2

     […] et vasa intulit in domum thesauri dei sui

     " […] and he brought the vessels into the treasure house of his god."

2. a dear friend, loved one
3. a vault for treasure
4. chest, strongbox
5. repository, collection

Second declension.

• thēsaurārius
• thēsaurensis
• thēsaurizātor
• thēsaurizō

• thesaurus in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
• thesaurus in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
• thesaurus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
• thesaurus in Gaffiot, Félix (1934) Dictionnaire Illustré Latin-Français, Hachette
• thesaurus in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
• thesaurus in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin

thesaurus m (plural thesauri or thesaurus)

1. thesaurus (dictionary of synonyms)

• dicionário de sinônimos, tesauro