champsosaur means Any extinct diapsid reptile of the genus †Champsosaurus. Lexicurio rates it Sui generis — a strength score of 87 out of 100.
noun
- Any extinct diapsid reptile of the genus †Champsosaurus.“Somewhere out there, predatory lizards called chapsosaurs and large alligator-like crocodilians lurk, mostly submerged in the water, snapping at fish.”