Sargasso n. : The gulf weed. See under Gulf.

Example:
How does the Sargasso sea help the economy?

Taxonomy
the Sargasso Sea, Sargasso Sea, Sargasso, the North, seaweed, mystery novel, free encyclopedia, Doc Savage, gyres, ocean currents, North Atlantic Gyre, currents, genus Sargassum, the Gulf, Ogre, statute miles, masses, society.

Defination from the web:
Sargasso Sea is a region in the middle of the North Atlantic Ocean, surrounded by ocean currents. ... The Sargasso is roughly 700 statute miles wide and 2,000 statute miles long (1,100 km wide and 3,200 km long) ...