Bible Dictionaries
Semaeostomata

Webster's Dictionary

(n. pl.) A division of Discophora having large free mouth lobes. It includes Aurelia, and Pelagia. Called also Semeostoma. See Illustr. under Discophora, and Medusa.

Bibliography Information
Webster, Noah. Entry for 'Semaeostomata'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​s/semaeostomata.html. 1828.