板刷

[ noun ]
a brush with short stiff bristles for heavy cleaning
<noun.artifact>

Scrub \Scrub\ (skr[u^]b), n.
1. One who labors hard and lives meanly; a mean fellow. ``A
sorry scrub.'' --Bunyan.

We should go there in as proper a manner as
possible; nor altogether like the scrubs about us.
--Goldsmith.

2. Something small and mean.

3. A worn-out brush. --Ainsworth.

4. A thicket or jungle, often specified by the name of the
prevailing plant; as, oak scrub, palmetto scrub, etc.

5. (Stock Breeding) One of the common live stock of a region
of no particular breed or not of pure breed, esp. when
inferior in size, etc. [U.S.]

6. Vegetation of inferior quality, though sometimes thick and
impenetrable, growing in poor soil or in sand; also,
brush; -- called also {scrub brush}. See {Brush}, above.
[Australia & South Africa]
[Webster 1913 Suppl. +PJC]

7. (Forestry) A low, straggling tree of inferior quality.
[Webster 1913 Suppl.]

{Scrub bird} (Zo["o]l.), an Australian passerine bird of the
family {Atrichornithid[ae]}, as {Atrichia clamosa}; --
called also {brush bird}.

{Scrub oak} (Bot.), the popular name of several dwarfish
species of oak. The scrub oak of New England and the
Middle States is {Quercus ilicifolia}, a scraggy shrub;
that of the Southern States is a small tree ({Q.
Catesb[ae]i}); that of the Rocky Mountain region is {Q.
undulata}, var. Gambelii.

{Scrub robin} (Zo["o]l.), an Australian singing bird of the
genus {Drymodes}.