gulfweed
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gulf·weed
also gulf weed (gŭlf′wēd′)n.
Any of several brownish seaweeds of the genus Sargassum having rounded air bladders and often forming dense, floating masses in the Atlantic Ocean. Also called sargasso, sargassum.
[After the Gulf ofMexico.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
gulfweed
(ˈɡʌlfˌwiːd)n
(Plants) any brown seaweed of the genus Sargassum, esp S. bacciferum, having air bladders and forming dense floating masses in tropical Atlantic waters, esp the Gulf Stream. Also called: sargasso or sargasso weed
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
gulf•weed
(ˈgʌlfˌwid)n.
1. a coarse, olive-brown, branching seaweed, Sargassum bacciferum, common in the Gulf Stream and in tropical American seas, characterized by numerous berrylike air vessels.
[1665–75]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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| Noun | 1. |  gulfweed - brown algae with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Seabrown algae - algae having the chlorophyll masked by brown and yellow pigments genus Sargassum - a genus of protoctist |
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