carcinoecium

noun

car·​ci·​noe·​ci·​um

ˌkärsəˈnēs(h)ēəm

plural carcinoecia

-s(h)ēə

: a colony of zoanthidean anemones (genus Epizoanthus) enclosing a hermit crab after dissolving the shell in which the crab lodged

Word History

Etymology

New Latin, from carcin- + -oecium (from Greek oikion house, nest, diminutive of oikos house)

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