anaprotaspis

noun

ana·​pro·​tas·​pis

ˌanəprōˈtaspə̇s

plural anaprotaspes

-taˌspēz

: an early protaspis with but six segments all of which are incorporated in the cephalon of the adult trilobite

Word History

Etymology

New Latin, from ana- + protaspis

First Known Use

1895, in the meaning defined above

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now