acoelomate

noun

acoe·​lo·​mate (ˌ)ā-ˈsē-lə-ˌmāt How to pronounce acoelomate (audio)
: an invertebrate lacking a coelom
especially : one belonging to the group comprising the flatworms and nemerteans and characterized by bilateral symmetry and a digestive cavity that is the only internal cavity
acoelomate adjective

Word History

Etymology

a- entry 2 + coelomate

First Known Use

circa 1889, in the meaning defined above

Time Traveler
The first known use of acoelomate was circa 1889

Dictionary Entries Near acoelomate

Cite this Entry

“Acoelomate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acoelomate. Accessed 29 Mar. 2024.

Medical Definition

acoelomate

noun
acoe·​lo·​mate (ˈ)ā-ˈsē-lə-ˌmāt How to pronounce acoelomate (audio)
: an invertebrate lacking a coelom
especially : one belonging to the group comprising the flatworms and nemerteans (class Nemertea or Nemertinea) and characterized by bilateral symmetry and a digestive cavity that is the only internal cavity
acoelomate adjective

More from Merriam-Webster on acoelomate

Love words? Need even more definitions?

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