noun Trach·odon \ˈtrakəˌdän, ˈtrāk-\

Definition of Trachodon

  1. 1 in former classifications :  a genus of hadrosaurs including forms now placed in other hadrosaurid genera (such as Edmontosaurus and Lambeosaurus)

  2. 2 trachodon plural trachodons dated :  a dinosaur of the genus Trachodon


\-nt\ adjective or noun



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 trachodon

New Latin, from Greek trachys rough + New Latin -odon

First Known Use: 1857

Seen and Heard

What made you want to look up Trachodon? 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!