‖Gor‐go″ni‐a (gôr‐gō″nĭ‐ȧ), n.(Zoöl.) 1. 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.
2. Any slender branched gorgonian.