noun Co·ryth·o·sau·rus \kəˌrithəˈsȯrəs\

Definition of Corythosaurus

  1. :  a genus of duck-billed dinosaurs (suborder Ornithopoda) having a thin domed bony crest capping the skull and found in Upper Cretaceous formations of western North America

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.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of corythosaurus

New Latin, from corytho- (from Late Greek korythos crested, from Greek koryth-, korys helmet) + -saurus; akin to Latin cornu horn — more at horn

Seen and Heard

What made you want to look up Corythosaurus? Please tell us where you read or heard it (including the quote, if possible).


capable of being understood in two ways

Get Word of the Day daily email!