Proetus

noun

Pro·​e·​tus

prōˈētəs

: a genus (the type of the family Proetidae) comprising small trilobites with nearly equal shields, smooth depressed glabella, and narrow cheeks and being common throughout the Paleozoic after the Cambrian

Word History

Etymology

New Latin

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!