Scrub \Scrub\ (skr[u^]b), n.
1. One who labors hard and lives meanly; a mean fellow. "A
sorry scrub." --Bunyan.
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We should go there in as proper a manner as
possible; nor altogether like the scrubs about us.
--Goldsmith.
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2. Something small and mean.
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3. A worn-out brush. --Ainsworth.
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4. A thicket or jungle, often specified by the name of the
prevailing plant; as, oak scrub, palmetto scrub, etc.
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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.]
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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]
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7. (Forestry) A low, straggling tree of inferior quality.
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Scrub bird (Zool.), an Australian passerine bird of the
family Atrichornithidae, 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 (Quercus
Catesbaei); that of the Rocky Mountain region is Quercus
undulata, var. Gambelii.
Scrub robin (Zool.), an Australian singing bird of the
genus Drymodes.
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Oak \Oak\ ([=o]k), n. [OE. oke, ok, ak, AS. [=a]c; akin to D.
eik, G. eiche, OHG. eih, Icel. eik, Sw. ek, Dan. eeg.]
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1. (Bot.) Any tree or shrub of the genus Quercus. The oaks
have alternate leaves, often variously lobed, and
staminate flowers in catkins. The fruit is a smooth nut,
called an acorn, which is more or less inclosed in a
scaly involucre called the cup or cupule. There are now
recognized about three hundred species, of which nearly
fifty occur in the United States, the rest in Europe,
Asia, and the other parts of North America, a very few
barely reaching the northern parts of South America and
Africa. Many of the oaks form forest trees of grand
proportions and live many centuries. The wood is usually
hard and tough, and provided with conspicuous medullary
rays, forming the silver grain.
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2. The strong wood or timber of the oak.
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Note: Among the true oaks in America are:
Barren oak, or
Black-jack, Quercus nigra.
Basket oak, Quercus Michauxii.
Black oak, Quercus tinctoria; -- called also yellow oak
or quercitron oak.
Bur oak (see under Bur.), Quercus macrocarpa; -- called
also over-cup or mossy-cup oak.
Chestnut oak, Quercus Prinus and Quercus densiflora.
Chinquapin oak (see under Chinquapin), Quercus
prinoides.
Coast live oak, Quercus agrifolia, of California; -- also
called enceno.
Live oak (see under Live), Quercus virens, the best of
all for shipbuilding; also, Quercus Chrysolepis, of
California.
Pin oak. Same as Swamp oak.
Post oak, Quercus obtusifolia.
Red oak, Quercus rubra.
Scarlet oak, Quercus coccinea.
Scrub oak, Quercus ilicifolia, Quercus undulata, etc.
Shingle oak, Quercus imbricaria.
Spanish oak, Quercus falcata.
Swamp Spanish oak, or
Pin oak, Quercus palustris.
Swamp white oak, Quercus bicolor.
Water oak, Quercus aquatica.
Water white oak, Quercus lyrata.
Willow oak, Quercus Phellos.
[1913 Webster] Among the true oaks in Europe are:
Bitter oak, or
Turkey oak, Quercus Cerris (see Cerris).
Cork oak, Quercus Suber.
English white oak, Quercus Robur.
Evergreen oak,
Holly oak, or
Holm oak, Quercus Ilex.
Kermes oak, Quercus coccifera.
Nutgall oak, Quercus infectoria.
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Note: Among plants called oak, but not of the genus
Quercus, are:
African oak, a valuable timber tree (Oldfieldia
Africana).
Australian oak or She oak, any tree of the genus
Casuarina (see Casuarina).
Indian oak, the teak tree (see Teak).
Jerusalem oak. See under Jerusalem.
New Zealand oak, a sapindaceous tree (Alectryon
excelsum).
Poison oak, a shrub once not distinguished from poison ivy,
but now restricted to Rhus toxicodendron or Rhus
diversiloba.
Silky oak or Silk-bark oak, an Australian tree
(Grevillea robusta).
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Green oak, oak wood colored green by the growth of the
mycelium of certain fungi.
Oak apple, a large, smooth, round gall produced on the
leaves of the American red oak by a gallfly (Cynips
confluens). It is green and pulpy when young.
Oak beauty (Zool.), a British geometrid moth (Biston
prodromaria) whose larva feeds on the oak.
Oak gall, a gall found on the oak. See 2d Gall.
Oak leather (Bot.), the mycelium of a fungus which forms
leatherlike patches in the fissures of oak wood.
Oak pruner. (Zool.) See Pruner, the insect.
Oak spangle, a kind of gall produced on the oak by the
insect Diplolepis lenticularis.
Oak wart, a wartlike gall on the twigs of an oak.
The Oaks, one of the three great annual English horse races
(the Derby and St. Leger being the others). It was
instituted in 1779 by the Earl of Derby, and so called
from his estate.
To sport one's oak, to be "not at home to visitors,"
signified by closing the outer (oaken) door of one's
rooms. [Cant, Eng. Univ.]
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