sargassum

2 definitions found

sargassum - Collaborative International Dictionary of English v.0.48 :

  Sargassum \Sar*gas"sum\, n. [NL.]
     A genus of algae including the gulf weed.
     [1913 Webster]

sargassum - WordNet (r) 2.1 (2005) :

  sargassum
      n 1: brown algae with rounded bladders forming dense floating
           masses in tropical Atlantic waters as in the Sargasso Sea
           [syn: gulfweed, sargassum, sargasso, Sargassum bacciferum
           ]