from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. See gulfweed.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of many brown algae of the genus Sargassum; gulfweed

from the GNU version of the Collaborative International Dictionary of English

  • n. A genus of algæ including the gulf weed.

from The Century Dictionary and Cyclopedia

  • n. A genus of marine algæ, of the class Fucaceæ, having fronds attached by a disk, and branching stems with the fronds provided with a midrib and distinctly stalked air-bladders.
  • n. [lowercase] Gulfweed.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. brown algae with rounded bladders forming dense floating masses in tropical Atlantic waters as in the Sargasso Sea


from The American Heritage® Dictionary of the English Language, 4th Edition

New Latin Sargassum, genus name, from sargasso.


  • That's where lots of stuff that floats ends up, including golden seaweed called sargassum, which is prime feeding ground for lots of animals, including young turtles.

    In The Line Of Fire: Rare Turtles Near Gulf Flames

  • The Gulf is far from clean and the spill still poses a danger to sea turtles, but Schroeder said there have been encouraging signs in the floating seaweed patches, known as sargassum, where young turtles in the gulf live and feed.

    Scientific American

  • "Ordinarily, the sargassum is a nice, golden color.


  • The oil spill occurred just as the two-month spawning season began, and the oil poisoned the waters just as fragile eggs and larvae were set adrift in floating sargassum grass, acres upon acres of which were destroyed by oil.

    Peter Lehner: Congress, the Mabus Report, and Why Gulf Restoration Matters for All of Us

  • From that stretch of beach they would have to swim 25 to 35 to the sargassum weed line, and once there, they could rest and eat.

    Rick Cleveland: The Sound and the Fury of Tiny Flippers

  • The challenge those sea turtle hatchlings face on their way out to the sargassum weed line and an uncertain future is, as I said before, unimaginable.

    Rick Cleveland: The Sound and the Fury of Tiny Flippers

  • Herbert offered him a few handfuls of shell-fish and sargassum, saying, — “It is all that we have, Captain Harding.”

    The Mysterious Island

  • The sargassum and the almonds of the stone-pine completed the repast, during which the engineer spoke little.

    The Mysterious Island

  • The reporter and his companions, after having eaten a quantity of lithodomes, sucked the sargassum, of which the taste was very tolerable.

    The Mysterious Island

  • No spray or mint could mask his breath, which smelled now of kelp, now of sargassum, and at its worst, of a weathered planktonic bloom.

    Impossible Places


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