Triassochelys

noun

Tri·​as·​so·​chelys

trī¦asō+

: a genus of extinct turtles of the lower Mesozoic of Europe believed to be the earliest true turtles

Word History

Etymology

New Latin, from triasso- (from International Scientific Vocabulary triassic + -o-) + Chelys

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!