木贼草

[ noun ]
evergreen erect horsetail with rough-edged stems; formerly used for scouring utensils
<noun.plant>

Scour \Scour\ (skour), v. t. [imp. & p. p. {Scoured}; p. pr. &
vb. n. {Scouring}.] [Akin to LG. sch["u]ren, D. schuren,
schueren, G. scheuern, Dan. skure; Sw. skura; all possibly
fr. LL. escurare, fr. L. ex + curare to take care. Cf.
{Cure}.]
1. To rub hard with something rough, as sand or Bristol
brick, especially for the purpose of cleaning; to clean by
friction; to make clean or bright; to cleanse from grease,
dirt, etc., as articles of dress.

2. To purge; as, to scour a horse.

3. To remove by rubbing or cleansing; to sweep along or off;
to carry away or remove, as by a current of water; --
often with off or away.

[I will] stain my favors in a bloody mask,
Which, washed away, shall scour my shame with it.
--Shak.

4. [Perhaps a different word; cf. OF. escorre, escourre, It.
scorrere, both fr. L. excurrere to run forth. Cf.
{Excursion}.] To pass swiftly over; to brush along; to
traverse or search thoroughly; as, to scour the coast.

Not so when swift Camilla scours the plain. --Pope.

5. To cleanse or clear, as by a current of water; to flush.

If my neighbor ought to scour a ditch. --Blackstone.
[Webster 1913 Suppl.]

{Scouring barrel}, a tumbling barrel. See under {Tumbling}.


{Scouring cinder} (Metal.), a basic slag, which attacks the
lining of a shaft furnace. --Raymond.

{Scouring rush}. (Bot.) See {Dutch rush}, under {Dutch}.

{Scouring stock} (Woolen Manuf.), a kind of fulling mill.


Rush \Rush\, n. [OE. rusche, rische, resche, AS. risce, akin to
LG. rusk, risch, D. & G. rusch; all probably fr. L. ruscum
butcher's broom; akin to Goth. raus reed, G. rohr.]
1. (Bot.) A name given to many aquatic or marsh-growing
endogenous plants with soft, slender stems, as the species
of {Juncus} and {Scirpus}.

Note: Some species are used in bottoming chairs and plaiting
mats, and the pith is used in some places for wicks to
lamps and rushlights.

2. The merest trifle; a straw.

John Bull's friendship is not worth a rush.
--Arbuthnot.

{Bog rush}. See under {Bog}.

{Club rush}, any rush of the genus {Scirpus}.

{Flowering rush}. See under {Flowering}.

{Nut rush}
(a) Any plant of the genus {Scleria}, rushlike plants with
hard nutlike fruits.
(b) A name for several species of {Cyperus} having
tuberous roots.

{Rush broom}, an Australian leguminous plant ({Viminaria
denudata}), having long, slender branches. Also, the
Spanish broom. See under {Spanish}.

{Rush candle}, See under {Candle}.

{Rush grass}, any grass of the genus {Vilfa}, grasses with
wiry stems and one-flowered spikelets.

{Rush toad} (Zo["o]l.), the natterjack.

{Scouring rush}. (Bot.) Same as {Dutch rush}, under {Dutch.}


{Spike rush}, any rushlike plant of the genus {Eleocharis},
in which the flowers grow in dense spikes.

{Sweet rush}, a sweet-scented grass of Arabia, etc.
({Andropogon sch[oe]nanthus}), used in Oriental medical
practice.

{Wood rush}, any plant of the genus {Luzula}, which differs
in some technical characters from {Juncus}.

Dutch \Dutch\, a. [D. duitsch German; or G. deutsch, orig.,
popular, national, OD. dietsc, MHG. diutsch, tiutsch, OHG.
diutisk, fr. diot, diota, a people, a nation; akin to AS.
pe['o]d, OS. thiod, thioda, Goth. piuda; cf. Lith. tauta
land, OIr. tuath people, Oscan touto. The English have
applied the name especially to the Germanic people living
nearest them, the Hollanders. Cf. {Derrick}, {Teutonic}.]
Pertaining to Holland, or to its inhabitants.

{Dutch auction}. See under {Auction}.

{Dutch cheese}, a small, pound, hard cheese, made from skim
milk.

{Dutch clinker}, a kind of brick made in Holland. It is
yellowish, very hard, and long and narrow in shape.

{Dutch clover} (Bot.), common white clover ({Trifolium
repens}), the seed of which was largely imported into
England from Holland.

{Dutch concert}, a so-called concert in which all the singers
sing at the same time different songs. [Slang]

{Dutch courage}, the courage of partial intoxication. [Slang]
--Marryat.

{Dutch door}, a door divided into two parts, horizontally, so
arranged that the lower part can be shut and fastened,
while the upper part remains open.

{Dutch foil}, {Dutch leaf}, or {Dutch gold}, a kind of brass
rich in copper, rolled or beaten into thin sheets, used in
Holland to ornament toys and paper; -- called also {Dutch
mineral}, {Dutch metal}, {brass foil}, and {bronze leaf}.


{Dutch liquid} (Chem.), a thin, colorless, volatile liquid,
{C2H4Cl2}, of a sweetish taste and a pleasant ethereal
odor, produced by the union of chlorine and ethylene or
olefiant gas; -- called also {Dutch oil}. It is so called
because discovered (in 1795) by an association of four
Hollandish chemists. See {Ethylene}, and {Olefiant}.

{Dutch oven}, a tin screen for baking before an open fire or
kitchen range; also, in the United States, a shallow iron
kettle for baking, with a cover to hold burning coals.

{Dutch pink}, chalk, or whiting dyed yellow, and used in
distemper, and for paper staining. etc. --Weale.

{Dutch rush} (Bot.), a species of horsetail rush or
{Equisetum} ({Equisetum hyemale}) having a rough,
siliceous surface, and used for scouring and polishing; --
called also {scouring rush}, and {shave grass}. See
{Equisetum}.

{Dutch tile}, a glazed and painted ornamental tile, formerly
much exported, and used in the jambs of chimneys and the
like.

Note: Dutch was formerly used for German.

Germany is slandered to have sent none to this
war [the Crusades] at this first voyage; and that
other pilgrims, passing through that country,
were mocked by the Dutch, and called fools for
their pains. --Fuller.


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}.