ostracean

1 of 2

adjective

os·​tra·​cean

: of or relating to the Ostraeacea

ostracean

2 of 2

noun

"

plural -s

: an oyster of the suborder Ostraeacea

Word History

Etymology

Adjective

New Latin Ostracea + English -an

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