Definition of metacoel in English:

metacoel

(also metacoele)

Pronunciation /ˈmɛtəsiːl/

noun

  • 1Anatomy Zoology
    rare In form metacoele. (The caudal part of) the fourth ventricle of the brain. Compare "metacoelia".

  • 2Zoology
    Usually in form metacoel. The most posterior division of the coelomic cavity of a hemichordate or lophophorate.

Origin

Late 19th century (in an earlier sense). From meta- + -coele.