Claosaurus

noun

Cla·​o·​sau·​rus

ˌklāəˈsȯrəs

: a genus of dinosaurs (suborder Ornithopoda) from the Upper Cretaceous of North America compare iguanodon

Word History

Etymology

New Latin, from clao- (from Greek klan to break off, as shoots of a vine) + -saurus

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!