Semaeostomata
Pronunciation : Se*m?`o*stom"a*ta
Part of Speech : n.
Etymology : [NL., fr. Gr. (Zo?l.)
Definition : Defn: A division of Discophora having large free mouth lobes. It includes Aurelia, and Pelagia. Called also Semeostoma. See Illustr. under Discophora, and Medusa.
pl.
Source : Webster's Unabridged Dictionary, 1913