noun
- plural of gulfweed; brown seaweed of the genus Sargassum, especially S. natans, found floating in the Gulf Stream and Sargasso Sea.
Usage: usually plural; marine biology
Examples
- The gulfweeds drifted across the Atlantic in massive floating mats.
- Marine biologists study gulfweeds to understand ocean currents.
- Gulfweeds provide habitat for small fish and crustaceans.
- The beach was covered with gulfweeds after the storm.
- Gulfweeds contain air bladders that help them stay afloat.