plural noun Pri·ap·u·loi·dea \prīˌapyəˈlȯidēə\

Definition of Priapuloidea

  1. :  a group of marine worms of obscure position that are classed as a division of Gephyrea and that somewhat resemble the Sipunculoidea from which they are distinguished by the absence of tentacles and usually by the presence of caudal gills

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 priapuloidea

New Latin, from Priapulus, genus of marine worms (from priapus phallus + -ulus -ule) + -oidea

Seen and Heard

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


capable of being understood in two ways

Get Word of the Day daily email!