'Laminaria' definitions:

Definition of 'Laminaria'

(from WordNet)
noun
Type genus of the family Laminariaceae: perennial brown kelps [syn: Laminaria, genus Laminaria]

Definition of 'Laminaria'

From: GCIDE
  • Laminaria \Lam`i*na"ri*a\, 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]