Definition of sargasso:
(n) :
(biology, oceanography) A part of an ocean or sea characterized by floating masses of sargassos, like the Sargasso Sea.
(n) :
A brown alga, of the genus Sargassum, that forms large, floating masses.
(n) :
(figuratively) Also Sargasso: a confused, tangled mass or situation.
(n) :
Ellipsis of Sargasso Sea. [An elongated area in the middle of the North Atlantic Ocean, surrounded by ocean currents.]
(n) :
(figuratively) Alternative form of sargasso (“a confused, tangled mass or situation”). [A brown alga, of the genus Sargassum, that forms large, floating masses.]