: reptile
used in generic names in zoology
allosaurus
tyrannosaurus

Word History

Etymology

New Latin, borrowed from Greek saûros, saúra "lizard," probably of pre-Greek substratal origin

Dictionary Entries Near -saurus

Cite this Entry

“-saurus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/-saurus. Accessed 21 Dec. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!