Definition of acoelous in English:

acoelous

(also acelous)

adjective

Zoology
  • Lacking an intestinal cavity; specifically of or relating to the group Acoela of simple flatworms having no distinct gut.

Origin

Late 19th century; earliest use found in Francis Pascoe (1813–1893), entomologist. From scientific Latin Acoela + -ous.

Pronunciation:

acoelous

/eɪˈsiːləs/