gulfweed

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noun gulf·weed \ˈgəlf-ˌwēd\

Definition of gulfweed

  1. :  any of several sargassums; especially :  a branching olive-brown seaweed (Sargassum natans) of tropical American seas with numerous berrylike air vesicles

Origin and Etymology of gulfweed

Gulf of Mexico


First Known Use: 1674


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