Definition of acoel in English:

acoel

noun

Zoology
  • A member of the group Acoela of simple flatworms that have no distinct gut.

adjective

Zoology
  • Of or relating to the group Acoela.

Origin

1930s; earliest use found in The Biological Bulletin. From scientific Latin Acoela (W. N. Uljanin 1870) from ancient Greek ἄκοιλος not hollow from ἀ- + κοῖλος hollow; compare ancient Greek ἀκοίλιος without ducts, without stomach.

Pronunciation:

acoel

/ˈeɪsiːl/