gorgonia, n. [L., a coral which hardens in the air.].
A genus of Gorgoniacea, formerly very extensive, but now restricted to such species as the West Indian sea fan (Gorgonia flabellum), sea plume (G. setosa), and other allied species having a flexible, horny axis. [1913 Webster]
Any slender branched gorgonian. [1913 Webster]