[1] : The Collaborative International Dictionary of English v.0.48

kelp \kelp\ ke^lp, n. formerly kilpe; of unknown origin.
   1. the calcined ashes of seaweed, -- formerly much used in
      the manufacture of glass, now used in the manufacture of
      iodine.
      1913 webster

   2. bot. any large blackish seaweed.
      1913 webster

   note: laminaria is the common kelp of great britain;
         macrocystis pyrifera and nereocystis lutkeana are
         the great kelps of the pacific ocean.
         1913 webster

   kelp crab zool., a california spider crab epialtus
      productus, found among seaweeds, which it resembles in
      color.

   kelp salmon zool., a serranoid food fish serranus
      clathratus of california. see cabrilla.
      1913 webster
see also:
laminaria macrocystis pyrifera nereocystis lutkeana kelp crab epialtus productus kelp salmon 
serranus clathratus cabrilla 

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