: a genus of scyphozoan jellyfishes chiefly of temperate and arctic seas that includes the common red stinging jellyfish (C. capillata) of the North Atlantic coast which reputedly attains a maximum diameter of over seven feet

Word History


New Latin, from Latin, feminine of cyaneus dark blue, from Greek kyaneos, from kyanos dark blue enamel, lapis lazuli

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 Cyanea

Cite this Entry

“Cyanea.” Dictionary, Merriam-Webster, Accessed 19 May. 2024.

Love words? Need even more definitions?

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