sargasso weed

Variant of sargassum

sargassum definition

sar·gas·sum (sär gas′əm)

noun

any of a genus (Sargassum, family Sargassaceae) of floating brown algae (order Fucales) found in tropical seas and having a main stem with flattened outgrowths like leaves, and branches with berry-like air sacs; gulfweed
also sargasso sar·gas′so (-ō)
or sargasso weed

Etymology: ModL < Port sargaço < sarga, kind of grape

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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