en·​to·​proct ˈen-tə-ˌpräkt How to pronounce entoproct (audio)
: any of a phylum (Entoprocta) of chiefly marine animals that are very similar to bryozoans but lack a true coelom and have the anus located near the mouth inside a crown of tentacles

Word History


ultimately from ent- + Greek prōktos anus

First Known Use

1940, in the meaning defined above

Time Traveler
The first known use of entoproct was in 1940

Dictionary Entries Near entoproct

Cite this Entry

“Entoproct.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/entoproct. Accessed 29 Mar. 2023.

More from Merriam-Webster on entoproct

Love words? Need even more definitions?

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

Which Came First?

  • baby chick with a brown egg
  • hot take or cold shoulder?
Name That Thing

You know what it looks like… but what is it called?

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?