%sclerobase%

n. [ Gr. sklhro`s hard + ba`sis base. ] (Zool.) 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. [1913 Webster]