Definitions

from The Century Dictionary.

  • noun The archæostoma or primitive mouth-opening of a gastrula, by winch the protogaster or cavity of the archenteron communicates with the exterior.

Etymologies

Sorry, no etymologies found.

Support

Help support Wordnik (and make this page ad-free) by adopting the word protostoma.

Examples

    Sorry, no example sentences found.

Comments

Log in or sign up to get involved in the conversation. It's quick and easy.