tesaurus

Etymology
, from.

Etymology
, from, from.

Noun

 * 1) thesaurus:
 * 2) a publication, traditionally in the form of a printed book and now often online, that provides synonyms (and sometimes antonyms and other semantic relations) for the words of a given language.
 * 3)  a hierarchy of subject headings: canonical titles of themes and topics, the titles serving as search keys.

Etymology
From.

Noun

 * 1) thesaurus.

Noun

 * 1) a thesaurus