01 n. The calcined ashes of seaweed, -- formerly much used in the manufacture of glass, now used in the manufacture of iodine.
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1.
The calcined ashes of seaweed, -- formerly much used in the manufacture of glass, now used in the manufacture of iodine.
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2.
Any large blackish seaweed.(Bot.)
Phrases & compounds
Kelp crab —
a California spider crab (Epialtus productus), found among seaweeds, which it resembles in color.
Kelp salmon —
a serranoid food fish (Serranus clathratus) of California. See Cabrilla.