sargassum

noun
sar·gas·sum | \sär-ˈga-səm \

Definition of sargassum 

: any of a genus (Sargassum) of brown algae that have a branching thallus with lateral outgrowths differentiated as leafy segments, air bladders, or spore-bearing structures : gulfweed

Examples of sargassum in a Sentence

Recent Examples on the Web

Along parts of South Florida's Atlantic coast, mounds of seaweed known as sargassum have been pushed ashore by strong winds and ocean currents, dulling the water and coating beaches. Jennifer Kay, OrlandoSentinel.com, "Blue-green algae, red tide soil beaches, threaten Florida tourism," 10 July 2018 The seaweed, a brownish variety called sargassum, arrived largely from the Caribbean, where rotting seaweed has piled up on beaches and driven away tourists. David Fleshler, Sun-Sentinel.com, "Seaweed assaults South Florida beaches," 20 June 2018 The chip: an intense-green crisp made of sargassum, a water algae. Anthony Faiola, Washington Post, "A new foodie mecca: A restaurant where lake algae and crispy piranha skin rule," 16 Jan. 2018 Cobia are legendarily tasty fish that cling to any type of structure, like oil platforms, gas wells, sargassum and, apparently, manta rays. Todd Masson, NOLA.com, "Louisiana anglers catch cobia off thousand-pound manta rays," 17 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sargassum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of sargassum

circa 1890, in the meaning defined above

History and Etymology for sargassum

borrowed from New Latin, borrowed from Portuguese sargaço sargasso

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Time Traveler for sargassum

The first known use of sargassum was circa 1890

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More from Merriam-Webster on sargassum

Britannica.com: Encyclopedia article about sargassum

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