Artificial intelligent assistant

cœlom

cœlome, cœlom Zool.
  (ˈsiːləʊm, -ɒm)
  Also in Lat. form cœˈloma.
  [ad. Gr. κοίλωµα a hollow, cavity, f. κοῖλος hollow.]
  The body-cavity of a cœlomate animal.

1878 Bell Gegenbauer's Anat. 135 The cirri..enclose a continuation of the cœlom, so that the perienteric fluid can enter into them. 1879 tr. Haeckel's Evol. Man I. ix. 260 We will in future call this cavity the cœloma. 1888 Rolleston & Jackson Anim. Life 333 A cavity or a system of cavities or channels, known as the coelome.

Oxford English Dictionary

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