plural noun
Lep·​to·​medusae | \ ¦lep(ˌ)tō+\

Definition of Leptomedusae

: a suborder of the order Hydroida or in some classifications a separate order of Hydrozoa comprising coelenterates in which the hydranths and the productive zooids are protected by a theca, the medusae bear gonads on the radial canals, and the lithocysts when present are of ectodermal origin

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!

Other Words from Leptomedusae

leptomedusan \ "+ \ adjective or noun

History and Etymology for Leptomedusae

New Latin, from lept- + medusae (plural of medusa)

Keep scrolling for more

Comments on Leptomedusae

What made you want to look up Leptomedusae? Please tell us where you read or heard it (including the quote, if possible).


friendly or mild

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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