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[sahr-gas-uh m] /sɑrˈgæs əm/
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 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for sargassum
Historical Examples
  • I cannot admit the sargassum case to be parallel with that of Confervae or Oscillatoria.

  • Edward Forbes supposed that the sargassum or Gulf-weed represents the littoral sea-weeds of a now submerged continent.

  • sargassum is distinguished by its differentiation into stem and leaf, resembling in outward appearance the higher plants.

    The Sea-beach at Ebb-tide Augusta Foote Arnold
  • The sargassum and the almonds of the stone-pine completed the repast, during which the engineer spoke little.

    The Mysterious Island Jules Verne
  • Sea-lentil is a name sometimes applied to the gulfweed sargassum vulgare.

  • Indeed, this region is especially so called on account of the ‘sargassum,’ or weed, in the Portuguese tongue.

    The White Squall John Conroy Hutcheson
  • The Sargassites, finally, have been vaguely referred to the genus sargassum, so abundant in tropical seas.

British Dictionary definitions for sargassum


any floating brown seaweed of the genus Sargassum, such as gulfweed, of warm seas, having ribbon-like fronds containing air sacs
Word Origin
C18: from New Latin; see sargasso
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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