Found 1 items, similar to Wood screw.
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Definition: Wood screw
(skr[udd]), n. [OE. scrue, OF. escroue, escroe,
female screw, F. ['e]crou, L. scrobis a ditch, trench, in
LL., the hole made by swine in rooting; cf. D. schroef a
screw, G. schraube, Icel. skr[=u]fa.]
1. A cylinder, or a cylindrical perforation, having a
continuous rib, called the thread, winding round it
spirally at a constant inclination, so as to leave a
continuous spiral groove between one turn and the next, --
used chiefly for producing, when revolved, motion or
pressure in the direction of its axis, by the sliding of
the threads of the cylinder in the grooves between the
threads of the perforation adapted to it, the former being
distinguished as the external, or male screw, or, more
usually the screw; the latter as the internal, or female
screw, or, more usually, the nut.
Note: The screw, as a mechanical power, is a modification of
the inclined plane, and may be regarded as a
right-angled triangle wrapped round a cylinder, the
hypotenuse of the marking the spiral thread of the
screw, its base equaling the circumference of the
cylinder, and its height the pitch of the thread.
2. Specifically, a kind of nail with a spiral thread and a
head with a nick to receive the end of the screw-driver.
Screws are much used to hold together pieces of wood or to
fasten something; -- called also wood screws
, and screw nails
. See also Screw bolt
3. Anything shaped or acting like a screw; esp., a form of
wheel for propelling steam vessels. It is placed at the
stern, and furnished with blades having helicoidal
surfaces to act against the water in the manner of a
screw. See Screw propeller
4. A steam vesel propelled by a screw instead of wheels; a
screw steamer; a propeller.
5. An extortioner; a sharp bargainer; a skinflint; a niggard.
6. An instructor who examines with great or unnecessary
severity; also, a searching or strict examination of a
student by an instructor. [Cant, American Colleges]
7. A small packet of tobacco. [Slang] --Mayhew.
8. An unsound or worn-out horse, useful as a hack, and
commonly of good appearance. --Ld. Lytton.
9. (Math.) A straight line in space with which a definite
linear magnitude termed the pitch is associated (cf. 5th
(b) ). It is used to express the displacement of a rigid
body, which may always be made to consist of a
rotation about an axis combined with a translation
parallel to that axis.
10. (Zo["o]l.) An amphipod crustacean; as, the skeleton screw
). See Sand screw
, under Sand
, Compound screw
, Foot screw
, etc. See
A screw loose
, something out of order, so that work is not
done smoothly; as, there is a screw loose somewhere. --H.
, or perpetual screw
, a screw used to give
motion to a toothed wheel by the action of its threads
between the teeth of the wheel; -- called also a worm
. See under Lag
, a screw with fine threads, used for the
measurement of very small spaces.
Right and left screw
, a screw having threads upon the
opposite ends which wind in opposite directions.
. See Shaft alley
, under Shaft
(a) The curious spirally coiled pod of a leguminous tree
) growing from Texas to
California. It is used for fodder, and ground into
meal by the Indians.
(b) The tree itself. Its heavy hard wood is used for
fuel, for fencing, and for railroad ties.
, a bolt having a screw thread on its shank, in
distinction from a key bolt
. See 1st Bolt
, a device, resembling a die, for cutting the
thread on a wooden screw.
. See under Dock
, a marine engine for driving a screw
. See Spiral gear
, under Spiral
. Same as Jackscrew
, a wrench for turning a screw or nut; a spanner
(a) One of a series of machines employed in the
manufacture of wood screws.
(b) A machine tool resembling a lathe, having a number of
cutting tools that can be caused to act on the work
successively, for making screws and other turned
pieces from metal rods.
(Bot.), any plant of the endogenous genus
, of which there are about fifty species,
natives of tropical lands from Africa to Polynesia; --
named from the spiral arrangement of the pineapple-like
, a device for cutting threads on small screws,
consisting of a thin steel plate having a series of
perforations with internal screws forming dies.
, a press in which pressure is exerted by means
of a screw.
, a screw or spiral bladed wheel, used in
the propulsion of steam vessels; also, a steam vessel
propelled by a screw.
(Zo["o]l.), a long, slender, spiral gastropod
shell, especially of the genus Turritella and allied
genera. See Turritella
, a steamship propelled by a screw.
, the spiral rib which forms a screw.
(Paleon.), the fossil stem of an encrinite.
(Bot.), any plant of the genus Helicteres
consisting of about thirty species of tropical shrubs,
with simple leaves and spirally twisted, five-celled
capsules; -- also called twisted-horn
, and twisty
, a stop valve which is opened or closed by a
(Zo["o]l.), the larva of an American fly
), allied to the blowflies, which
sometimes deposits its eggs in the nostrils, or about
wounds, in man and other animals, with fatal results.
(a) A wrench for turning a screw.
(b) A wrench with an adjustable jaw that is moved by a
To put the screws on
or To put the screw on
, to use
pressure upon, as for the purpose of extortion; to coerce.
To put under the screw
or To put under the screws
subject to pressure; to force.
, a metal screw with a sharp thread of coarse
pitch, adapted to holding fast in wood. See Illust. of
, under Wood
, n. [OE. wode, wude, AS. wudu, wiodu; akin to OHG.
witu, Icel. vi?r, Dan. & Sw. ved wood, and probably to Ir. &
Gael. fiodh, W. gwydd trees, shrubs.]
1. A large and thick collection of trees; a forest or grove;
-- frequently used in the plural.
Light thickens, and the crow
Makes wing to the rooky wood. --Shak.
2. The substance of trees and the like; the hard fibrous
substance which composes the body of a tree and its
branches, and which is covered by the bark; timber. “To
worship their own work in wood and stone for gods.”
3. (Bot.) The fibrous material which makes up the greater
part of the stems and branches of trees and shrubby
plants, and is found to a less extent in herbaceous stems.
It consists of elongated tubular or needle-shaped cells of
various kinds, usually interwoven with the shinning bands
called silver grain.
Note: Wood consists chiefly of the carbohydrates cellulose
and lignin, which are isomeric with starch.
4. Trees cut or sawed for the fire or other uses.
, Wood vinegar
(Chem.), a complex acid liquid
obtained in the dry distillation of wood, and containing
large quantities of acetic acid; hence, specifically,
acetic acid. Formerly called pyroligneous acid
(Bot.), a delicate flower (Anemone nemorosa
of early spring; -- also called windflower
. See Illust.
(Zo["o]l.), a large ant (Formica rufa
lives in woods and forests, and constructs large nests.
(Bot.). See Elephant apple
, under Elephant
(Zo["o]l.), the drill.
(a) Same as Betony
(b) The common American lousewort (Pedicularis Canadensis
), a low perennial herb with yellowish or
(a) The larva of any one of numerous species of boring
beetles, esp. elaters, longicorn beetles,
buprestidans, and certain weevils. See Apple borer
, and Pine weevil
, under Pine
(b) The larva of any one of various species of
lepidopterous insects, especially of the clearwing
moths, as the peach-tree borer (see under Peach
and of the goat moths.
(c) The larva of various species of hymenopterous of the
tribe Urocerata. See Tremex
(d) Any one of several bivalve shells which bore in wood,
as the teredos, and species of Xylophaga.
(e) Any one of several species of small Crustacea, as the
, and the boring amphipod (Chelura terebrans
, a kind of floor covering made of thin pieces
of wood secured to a flexible backing, as of cloth.
(Bot.), a slender cylindrical or prismatic cell
usually tapering to a point at both ends. It is the
principal constituent of woody fiber.
, the choir, or chorus, of birds in the woods.
, charcoal; also, lignite, or brown coal.
(Zo["o]l.), a small European cricket
(Zo["o]l.), the wood pigeon.
, an engraving on wood; also, a print from such an
(Zo["o]l.), the stockdove.
, a decoction or infusion of medicinal woods.
(a) A very beautiful American duck (Aix sponsa
male has a large crest, and its plumage is varied with
green, purple, black, white, and red. It builds its
nest in trees, whence the name. Called also bridal duck
, summer duck
, and wood widgeon
(b) The hooded merganser.
(c) The Australian maned goose (Chlamydochen jubata
, an echo from the wood.
(a) An engraver on wood.
(b) (Zo["o]l.) Any of several species of small beetles
whose larv[ae] bore beneath the bark of trees, and
excavate furrows in the wood often more or less
resembling coarse engravings; especially, Xyleborus xylographus
(a) The act or art engraving on wood; xylography.
(b) An engraving on wood; a wood cut; also, a print from
such an engraving.
. (Bot.) See Shield fern
, under Shield
(a) (Bot.) Fibrovascular tissue.
(b) Wood comminuted, and reduced to a powdery or dusty
(Zo["o]l.), any one of numerous species of
beetles whose larv[ae] bore in the wood, or beneath the
bark, of trees.
(Zo["o]l.), a common North American frog (Rana sylvatica
) which lives chiefly in the woods, except
during the breeding season. It is drab or yellowish brown,
with a black stripe on each side of the head.
. (Bot.) See under Germander
, a fabled sylvan deity.
. (Bot.) See under Grass
(a) The capercailzie.
(b) The spruce partridge. See under Spruce
(Zo["o]l.), the ringdove. [Prov. Eng.]
(a) Any one of several species of Old World short-winged
rails of the genus Ocydromus
, including the weka and
(b) The American woodcock.
(Zo["o]l.), any one of several species of Old
World arboreal birds belonging to Irrisor
genera. They are closely allied to the common hoopoe, but
have a curved beak, and a longer tail.
(Zo["o]l.), any one of several species of large,
long-legged, wading birds belonging to the genus
. The head and neck are naked or scantily
covered with feathers. The American wood ibis (Tantalus loculator
) is common in Florida.
(Zo["o]l.), a small European lark (Alauda arborea
), which, like, the skylark, utters its notes
while on the wing. So called from its habit of perching on
(Bot.), a European evergreen shrub (Daphne Laureola
(Zo["o]l.), a European spotted moth (Zeuzera [ae]sculi
) allied to the goat moth. Its large fleshy
larva bores in the wood of the apple, pear, and other
(Bot.), the lily of the valley.
(Naut.), a piece of wood close fitted and
sheathed with copper, in the throating or score of the
pintle, to keep the rudder from rising.
(a) Any one of numerous species of terrestrial isopod
Crustacea belonging to Oniscus
related genera. See Sow bug
, under Sow, and Pill bug
, under Pill
(b) Any one of several species of small, wingless,
pseudoneuropterous insects of the family Psocid[ae]
which live in the crevices of walls and among old
books and papers. Some of the species are called also
, and deathticks
, or deathwatches
(Zo["o]l.), any one of numerous small mites of
the family Oribatid[ae]
. They are found chiefly in
woods, on tree trunks and stones.
. (Eng. Law)
(a) Formerly, the forest court.
(b) The court of attachment.
. (Bot.) See under Nettle
(Bot.), woody nightshade.
(Bot.), the filbert.
. (a) A nymph inhabiting the woods; a fabled
goddess of the woods; a dryad. “The wood nymphs, decked
with daisies trim.”
(b) (Zo["o]l.) Any one of several species of handsomely
colored moths belonging to the genus Eudryas
larv[ae] are bright-colored, and some of the species,
as Eudryas grata
, and Eudryas unio
, feed on the
leaves of the grapevine.
(c) (Zo["o]l.) Any one of several species of handsomely
colored South American humming birds belonging to the
. The males are bright blue, or
green and blue.
, wood burnt on the altar.
We cast the lots . . . for the wood offering. --Neh.
(Bot.), a resinous oil obtained from several East
Indian trees of the genus Dipterocarpus
properties similar to those of copaiba, and sometimes
substituted for it. It is also used for mixing paint. See
(Min.), a striped variety of coarse opal, having
some resemblance to wood.
, paper made of wood pulp. See Wood pulp
(Zo["o]l.), a North American tyrant flycatcher
). It closely resembles the pewee, but
(Zo["o]l.), any black and white woodpecker,
especially the European great spotted woodpecker.
(a) Any one of numerous species of Old World pigeons
belonging to Palumbus
and allied genera of the
(b) The ringdove.
(Zo["o]l.), a plant louse.
(Technol.), vegetable fiber obtained from the
poplar and other white woods, and so softened by digestion
with a hot solution of alkali that it can be formed into
sheet paper, etc. It is now produced on an immense scale.
(Zo["o]l.), any one of several species of East
Indian crested quails belonging to Rollulus
genera, as the red-crested wood quail (Rollulus roulroul
), the male of which is bright green, with a long
crest of red hairlike feathers.
(Zo["o]l.), the cottontail.
(Zo["o]l.), any one of several species of American
wild rats of the genus Neotoma
found in the Southern
United States; -- called also bush rat
. The Florida wood
rat (Neotoma Floridana
) is the best-known species.
Wood reed grass
(Bot.), a tall grass (Cinna arundinacea
growing in moist woods.
, the steward or overseer of a wood. [Eng.]
(Bot.), any plant of the genus Luzula
differing from the true rushes of the genus Juncus
chiefly in having very few seeds in each capsule.
(Bot.), a name given to several labiate plants of
the genus Teucrium
. See Germander
, a metal screw formed with a sharp thread, and
usually with a slotted head, for insertion in wood.
(Zo["o]l.), the hooded merganser.
(Zo["o]l.), the fisher. See Fisher
(Zo["o]l.), any one of numerous species of Old
World singing birds belonging to Grallina
, and allied genera, common in
India and Australia. They are allied to the true shrikes,
but feed upon both insects and berries.
(a) The American woodcock.
(b) An Asiatic snipe (Gallinago nemoricola
, soot from burnt wood.
. (Zo["o]l.) See Cuckoo spit
, under Cuckoo
(Bot.), a plant of the genus Oxalis (Oxalis Acetosella
), having an acid taste. See Illust. (a) of
. (Chem.) See Methyl alcohol
, under Methyl
, a carved or engraved block or stamp of wood,
for impressing figures or colors on fabrics.
(Zo["o]l.), any one of several species of small
South American humming birds belonging to the genus
. The male has a brilliant gorget of blue,
purple, and other colors.
(Zo["o]l.), the yaffle.
(Zo["o]l.), any one of numerous species of Old
World passerine birds belonging to the genus Artamus
allied genera of the family Artamid[ae]
. They are common
in the East Indies, Asia, and Australia. In form and
habits they resemble swallows, but in structure they
resemble shrikes. They are usually black above and white
(Zo["o]l.), any woodpecker.
. See under Tar
(a) An American thrush (Turdus mustelinus
) noted for the
sweetness of its song. See under Thrush
(b) The missel thrush.
. See in Vocabulary.
. (Min.). See Cassiterite
(Zo["o]l.), the goldcgest.
(Zo["o]l.), the sculptured tortoise. See
(Bot.), the white bryony.
. See Wood acid
(a) Any one of numerous species of American warblers of
the genus Dendroica
. See Warbler
(b) A European warbler (Phylloscopus sibilatrix
called also green wren
, wood wren
, and yellow wren
(Zo["o]l.), a larva that bores in wood; a wood
(a) The wood warbler.
(b) The willow warbler.