n.
Variant: or blas · to · coele
Pronunciation: ' blas-t ə - ˌ s ē l
Function: noun
Etymology: International Scientific Vocabulary
Date: 1877
: the fluid-filled cavity of a blastula ― see BLASTULA illustration
– blas · to · coe · lic \ ˌ blas-t ə - ' s ē -lik \ adjective