a combining form used in the names of extinct reptiles, especially archosaurs, usually Anglicized forms of Latin taxonomic names: dinosaur; pterosaur.
HEED THE VOX POPULI, AND TAKE THIS WORD OF THE DAY QUIZ!
Test your memory on these verbal firecrackers from the week of June 29 to July 5!
Question 1 of 7
Origin of -saur
From the Greek word saûros lizard
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for -saur
n combining form
Word Origin for -saur
from New Latin saurus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012