Receptaculida

plural noun

Re·​cep·​ta·​cu·​li·​da

rə̇ˌseptəˈkyülədə

: a class of calcareous fossils of uncertain systematic relations see receptaculitidae

Word History

Etymology

New Latin, from receptaculum + -ida

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