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Meaning of sargassum

sar•gas•sum

Pronunciation: (sär-gas'um), [key]
— n.
  1. any seaweed of the genus Sargassum, widely distributed in the warmer waters of the globe, as S. bacciferum, the common gulfweed.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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