Definition of Archelon
:a genus of very large extinct marine turtles from the Cretaceous of South Dakota having a well-developed plastron but poorly developed carapace
-
Trending Now:
More Trending:
- dotage, dotard otherwise federalism bodega carceral
- ALL
What's Trending Now
More Trending Words
Archelon
noun
Ar·che·lon
\
ˈärkəˌlän
\
People Are Reading
There's more!
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!
Origin and Etymology of archelon
New Latin, probably irregular from archi- + Greek chelōnē tortoise; akin to Greek chelys tortoise
Seen and Heard
What made you want to look up Archelon? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!