Belemnoidea

plural noun

Bel·​em·​noi·​dea

ˌbe-ləm-ˈnȯi-dē-ə

: an order or other division of Dibranchiata comprising the belemnites and sometimes the genus Spirula

Word History

Etymology

borrowed from New Latin, from Belemnites, genus name + -oidea -oidea

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