acoel

English

Etymology

From group name Acoela, from Ancient Greek ἄκοιλος (ákoilos, “not hollow”).

Pronunciation
  • (UK) IPA(key): /ˈeɪsiːl/

Noun

acoel (plural acoels)

  1. (zoology) A member of the Acoela group of marine flatworms, which lack a digestive cavity with definite walls. [from 20th c.]
    • 2012, Caspar Henderson, The Book of Barely Imagined Beings, 2013 edition, Granta Books, page 89:
      Acoels have no brain or ganglia but a network of nerves beneath the skin that is slightly more concentrated towards the front end.

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