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
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Recent Examples of sargassum from the Web
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Cobia are legendarily tasty fish that cling to any type of structure, like oil platforms, gas wells, sargassum and, apparently, manta rays.
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Origin and Etymology of sargassum
New Latin, genus name, from International Scientific Vocabulary sargasso
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Britannica.com: Encyclopedia article about sargassum
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