See Also: scleractinian(dictionary)

scleractinian (iou)



scleractinian noun & adjective. E20.
[mod. Latin Scleractinia (see below), formed as SCLERO- + Greek aktin-, aktis ray + -IA1: see -AN.]
Zoology.
A. noun. A coral of the order Scleractinia characterized by a compact calcareous skeleton and including all living stony or true corals; madreporarian. E20.
b. adjective. Of or pertaining to such a coral or the group as a whole. E20.