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seaweed definition

sea·weed (-wēd′)

noun

  1. any sea plant or plants; esp., any marine alga, as kelp
    in full marine seaweed
  2. any similar freshwater plant
    in full freshwater seaweed

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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