‖n. [ NL. See Lamina. ] (Bot.) A genus of great seaweeds with long and broad fronds; kelp, or devil's apron. The fronds commonly grow in clusters, and are sometimes from thirty to fifty feet in length. See Illust. of Kelp. [ 1913 Webster ]
a. Pertaining to seaweeds of the genus
n. [ See Lamina. ] (Paleon.) A broad-leafed fossil alga. [ 1913 Webster ]
a. Laminar. [ 1913 Webster ]