sargassum

[sahr-gas-uh m]
noun
  1. any seaweed of the genus Sargassum, widely distributed in the warmer waters of the globe, as S. bacciferum, the common gulfweed.

Origin of sargassum

From New Latin, dating back to 1900–05; see origin at sargasso
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British Dictionary definitions for sargassum

sargassum

sargasso (sɑːˈɡæsəʊ)

noun
  1. any floating brown seaweed of the genus Sargassum, such as gulfweed, of warm seas, having ribbon-like fronds containing air sacs

Word Origin for sargassum

C18: from New Latin; see sargasso
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