from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The calcareous or hornlike coral forming the central stem or axis of most compound alcyonarians.
from the GNU version of the Collaborative International Dictionary of English
- n. The calcareous or hornlike coral forming the central stem or axis of most compound alcyonarians; -- called also foot secretion. See Illust. under gorgoniacea, and cœnenchyma.
from The Century Dictionary and Cyclopedia
- n. A dense corneous or calcareous mass into which the axial part of the cœnosarc of a compound actinozoan may be converted, as it is in the red coral of commerce, for example. See cut under Coralligena.
Ancient Greek hard + base. (Wiktionary)