(n) brown algae with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea, Syn.Sargassum bacciferum, sargasso, sargassum
n. 1. A brown seaweed (Sargassum bacciferum) with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea. Syn. -- sargassum, sargasso, Sargassum bacciferum. [ WordNet 1.5 ]