sargassum
noun
sar·gas·sum
sär-ˈga-səm 
: 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
Not so happy are people trying to swim around the stuff or breathing in the fetid aroma of drying mounds of sargassum.
—
Ashley Miznazi, Miami Herald, 9 May 2025
About 31 million metric tons of sargassum was recorded between Africa and the Caribbean in April, according to Hu.
—Doyle Rice, USA Today, 2 May 2025
Health officials usually recommend people who live near the beach keep their windows and doors closed when a lot of sargassum washes ashore.
—Michelle Marchante, Miami Herald, 29 Apr. 2025
Sun Sentinel Record-breaking seaweed in Atlantic could mean stinky beaches in South Florida
Levels of floating seaweed mats, known as sargassum, have skyrocketed in the Atlantic Ocean in the past month, with the total amount breaking the record for March.
—South Florida Sun Sentinel, Sun Sentinel, 2 Apr. 2025
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Ashley Miznazi, Miami Herald, 9 May 2025
About 31 million metric tons of sargassum was recorded between Africa and the Caribbean in April, according to Hu.
—Doyle Rice, USA Today, 2 May 2025
Health officials usually recommend people who live near the beach keep their windows and doors closed when a lot of sargassum washes ashore.
—Michelle Marchante, Miami Herald, 29 Apr. 2025
Sun Sentinel Record-breaking seaweed in Atlantic could mean stinky beaches in South Florida
Levels of floating seaweed mats, known as sargassum, have skyrocketed in the Atlantic Ocean in the past month, with the total amount breaking the record for March.
—South Florida Sun Sentinel, Sun Sentinel, 2 Apr. 2025
See All Example Sentences for sargassum
Cite this Entry
“Sargassum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sargassum. Accessed 24 May. 2025.
Copy CitationKids Definition
sargassum
noun
sar·gas·sum
sär-ˈgas-əm
: any of a genus of brown algae that have a leafy branching body and air bladders and that often grow in free-floating masses in the ocean
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