Rhizostomae

plural noun

Rhi·​zos·​to·​mae
rīˈzästəˌmē
: an order of Scyphozoa comprising jellyfishes that are related to the Semaeostomeae but are distinguished from them by fused oral lobes, by numerous small mouths replacing the primary mouth, and by the absence of tentacles and including various large jellyfishes that are dried and used as food in China and Japan
rhizostomatous
¦rīzə¦stōmətəs
-täm-
adjective
rhizostome
ˈrīzəˌstōm
noun
plural -s
rhizostomous
(ˈ)rī¦zästəməs
adjective

Word History

Etymology

New Latin, from Rhizostoma, genus of jellyfishes, from rhiz- + -stoma

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near Rhizostomae

Cite this Entry

“Rhizostomae.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Rhizostomae. Accessed 27 Nov. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!