Source : Webster's Revised Unabridged Dictionary (1913)

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}.

Source : WordNet®

Laminaria
     n : type genus of the family Laminariaceae: perennial brown
         kelps [syn: {genus Laminaria}]