Definition of sargassum in English:

sargassum

Syllabification: sar·gas·sum
Pronunciation: /särˈgasəm
 
/
(also sargassum weed)

noun

  • A brown seaweed with berrylike air bladders, typically forming large floating masses.
    • Genus Sargassum, class Phaeophyceae
    More example sentences
    • Hatchlings that successfully make the trek from their nests to the relative safety of the gulf and ocean waters find sanctuary from predators in large, floating beds of sargassum seaweed far offshore.
    • Patches of sargassum weed can be fish magnets
    • They are also frequently found in floating sargassum weed, which suggests that they are common offshore.

Origin

modern Latin, from Portuguese sargaço (see sargasso).

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Pronunciation: skəʊʃ
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a small amount; a little