One entry found for thesaurus.

Main Entry: the·sau·rus
Pronunciation: thi-sr-s
Function: noun
Inflected Form(s): plural the·sau·ri /-s()r-, - /; or the·sau·rus·es /-sr--sz/
Etymology: from scientific Latin thesaurus "treasury, storehouse, book of words," from Latin thesaurus "treasure, collection," from Greek thsauros (same meaning) --related to TREASURE
: a book of words and their synonyms

Pronunciation Symbols