plural noun

: an order of Scyphozoa comprising jellyfishes that have large mouths with four lips and large tentacles at the margin of the umbrella

Word History


New Latin, from Greek sēmaia, sēmeia standard, token + New Latin -stomeae (from -stoma)

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Dictionary Entries Near Semaeostomeae

Cite this Entry

“Semaeostomeae.” Dictionary, Merriam-Webster, Accessed 23 May. 2024.

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