plural noun

Definition of Archioligochaeta

in some classifications
: a division of Oligochaeta comprising relatively small aquatic worms of few segments that reproduce vegetatively by fission as well as by sexual means (as members of the genera Aeolosoma, Nais, and Dero) — compare limicolae , microdrili

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 Archioligochaeta

archioligochaete \ + ¦-​ \ adjective or noun

History and Etymology for Archioligochaeta

New Latin, from archi- + Oligochaeta

Keep scrolling for more

Learn More about Archioligochaeta

Statistics for Archioligochaeta

Cite this Entry

“Archioligochaeta.” The Dictionary, Merriam-Webster Inc., Accessed 18 January 2020.

Comments on Archioligochaeta

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


experienced by way of someone else

Get Word of the Day daily email!

Test Your Vocabulary

The Eponym Quiz

  • rubens painting
  • Which is the best synonym of bowdlerize?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

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!