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Webster 1913 Edition

Kelp

Kelp

(kĕlp)
,
Noun.
[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.
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
(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
.

Webster 1828 Edition

Kelp

KELP

,
Noun.
The calcined ashes of sea weed, used in the manufacture of glass. This is a dark color alkaline substance, which, in a furnace, vitrifies and becomes transparent.

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