Astronomy. Mare Tranquillitatis.
noun 1. Also called sea squill. a Mediterranean plant, Urginea maritima, of the lily family, yielding medicinal squill. 2. a squill, Scilla verna, of the Isle of Wight, having narrow leaves and clusters of violet flowers. noun 1. another name for sea squill
noun 1. a marine otter, Enhydra lutris, of the shores of the northern Pacific, with a very valuable fur: now greatly reduced in number and rare in many areas. noun 1. a large marine otter, Enhydra lutris, of N Pacific coasts, formerly hunted for its thick dark brown fur
noun 1. a kelp, Postelsia palmaeformis, of the Pacific coast of North America, that resembles a miniature palm tree.
noun 1. any of several colonial coelenterates of the genus Pennatula and related genera, having the shape of a fleshy feather. noun 1. any of various anthozoan coelenterates of the genus Pennatula and related genera, forming fleshy feather-like colonies in warm seas: order Pennatulacea