2 definitions found
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Equisetum \Eq`ui*se"tum\, n.; pl {Equiseta}. [L., the
horsetail, fr equus horse + seta a thick,, stiff hair,
bristle.] (Bot.)
A genus of vascular, cryptogamic, herbaceous plants; -- also
called {horsetails}.
Note: The {Equiseta} have hollow jointed stems and no true
leaves. The cuticle often contains siliceous granules,
so that one species ({E. hyemale}) is used for scouring
and polishing, under the name of {Dutch rush} or
{scouring rush}.
From WordNet r 1.6 [wn]:
Equisetum
n : horsetails; coextensive with the family Equisetaceae [syn: {Equisetum},
{genus Equisetum}]
more about equisetum
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