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

Definition of Leptomedusae

  1. :  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


\"+\ adjective or noun

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.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of leptomedusae

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

Seen and Heard

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


a brief usually trivial fact

Get Word of the Day daily email!