ALL meanings of sea pen
sea pen
S s - noun sea pen any of several colonial coelenterates of the genus Pennatula and related genera, having the shape of a fleshy feather. 1
- noun sea pen any of various anthozoan coelenterates of the genus Pennatula and related genera, forming fleshy feather-like colonies in warm seas: order Pennatulacea 0
- noun sea pen any of an order (Pennatulacea) of mud-dwelling anthozoans that form feather-shaped colonies 0