KELP

kelp. Kelp, n. salt extracted from calcined sea-weed

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Kelp (?), n. [[Formerly kilpe; of unknown origin.]] 1. 1. The calcined ashes of seaweed, — formerly much used in the manufacture of glass, now used in the manufacture of iodine.
2. 2. (Bot.) Any large blackish seaweed.
☞ Laminaria is the common kelp of Great Britain; Macrocystis pyrifera and Nereocystis Lutkeana are the great kelps of the Pacific Ocean. Kelp crab (Zoöl.), a California spider crab (Epialtus productus), found among seaweeds, which it resembles in color. — Kelp salmon (Zoöl.), a serranoid food fish (Serranus clathratus) of California. See Cabrilla.