endostoma

noun

en·​dos·​to·​ma

enˈdästəmə

plural endostomata

ˌenˌdäˈstōmətə,

ˌendəˈs-

or endostomas

enˈdästəməz

: a plate which supports the labrum in some crustaceans

Word History

Etymology

New Latin, from end- + stoma

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