sclerobase
Scler"o*base ( or ), n. Etym: [Gr. (Zoöl.) Defn: The calcareous or hornlike coral forming the central stem or axis of most compound alcyonarians; -- called also foot secretion. See Illust. under Gorgoniacea, and Coenenchyma. -- Scler`o*ba"sic, a.