gulfweed

UK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈɡʌlfˌwiːd/US:USA pronunciation: respellingUSA pronunciation: respelling(gulf′wēd′)


WordReference Random House Unabridged Dictionary of American English © 2026
gulf•weed  (gulf′wēd′),USA pronunciation n. 
  1. Microbiologya coarse, olive-brown, branching seaweed, Sargassum bacciferum, common in the Gulf Stream and tropical American seas, characterized by numerous berrylike air vessels.
  2. Microbiologyany seaweed of the same genus.
  • gulf + weed1 1665–75

Collins Concise English Dictionary © HarperCollins Publishers::
gulfweed / ˈɡʌlfˌwiːd/
  1. 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, sargasso weed
'gulfweed' also found in these entries (note: many are not synonyms or translations):
sargasso - sargassum - sea grape

Forum discussions with the word(s) "gulfweed" in the title:


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