'gulfweed' definitions:

Definition of 'gulfweed'

From: WordNet
noun
Brown algae with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea [syn: gulfweed, sargassum, sargasso, Sargassum bacciferum]

Definition of 'gulfweed'

From: GCIDE
  • gulfweed \gulf"weed`\ (g[u^]lf"w[=e]d`), 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]