a. and sb. [f. prec. + -ATE.]
A. adj. Having a cœlome or body-cavity distinct from the intestinal cavity; belonging to the Cœlomata. B. sb. A cœlomate animal.
1883. Ray Lankester, in Encycl. Brit., XVI. 633/1. The Mollusca agree in being Cœlomate with the phyla Vertebrata, Platyhelmia, [etc.].
1888. Rolleston & Jackson, Anim. Life, 713, note. It is not likely that Coelomate forms are derived from Coelenterate.