saurus definition
Saurus is defined as the scientific word for lizard. An example of a saurus is a brontosaurus. Saurus is defined as the scientific word for lizard. An example of saurus used as a suffix is in the word brontasaurus which is a type of dinosaur that looks like a big lizard. -saurus Zool. lizard: used to form the scientific names of certain genera of reptiles: Brontosaurus