opisthocoelous

adjective

opis·​tho·​coe·​lous

-ləs

: of, relating to, or being a vertebra that is concave behind with the anterior end of the centrum flat or convex and the posterior concave

Word History

Etymology

New Latin opisthocoelus, from opisth- + Greek koilos hollow

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