Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun gulfweed

1 sense of gulfweed

Sense 1
gulfweed, sargassum, sargasso, Sargassum bacciferum -- (brown algae with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea)
       => brown algae -- (algae having the chlorophyll masked by brown and yellow pigments)