Definition of Scew
Screw (skr&udd;), n. [OE. scrue,
OF. escroue, escroe, female screw, F.
écrou, L. scrobis a ditch, trench, in LL., the
hole made by swine in rooting; cf. D. schroef a screw, G.
schraube, Icel. skrūfa.] 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.
&fist; 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, below.
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, below.
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. Thackeray.
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 Pitch, 10 (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. (Zoöl.) An amphipod
crustacean; as, the skeleton screw (Caprella). See
Sand screw, under Sand.
Archimedes screw, Compound
screw, Foot screw, etc. See under
Archimedes, Compound, Foot, etc. --
A screw loose, something out of order, so that
work is not done smoothly; as, there is a screw loose
somewhere. H. Martineau. -- Endless, 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. -- Lag
screw. See under Lag. -- Micrometer
screw, 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. -- Screw
alley. See Shaft alley, under Shaft.
-- Screw bean. (Bot.) (a)
The curious spirally coiled pod of a leguminous tree (Prosopis
pubescens) 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. -- Screw bolt,
a bolt having a screw thread on its shank, in distinction from a
key bolt. See 1st Bolt, 3. -- Screw
box, a device, resembling a die, for cutting the thread
on a wooden screw. -- Screw dock. See under
Dock. -- Screw engine, a marine
engine for driving a screw propeller. -- Screw
gear. See Spiral gear, under Spiral.
-- Screw jack. Same as Jackscrew. --
Screw key, a wrench for turning a screw or nut;
a spanner wrench. -- Screw machine.
(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. -- Screw pine
(Bot.), any plant of the endogenous genus Pandanus,
of which there are about fifty species, natives of tropical lands from
Africa to Polynesia; -- named from the spiral arrangement of the
pineapple-like leaves. -- Screw plate, a
device for cutting threads on small screws, consisting of a thin steel
plate having a series of perforations with internal screws forming
dies. -- Screw press, a press in which
pressure is exerted by means of a screw. -- Screw
propeller, a screw or spiral bladed wheel, used in the
propulsion of steam vessels; also, a steam vessel propelled by a
screw. -- Screw shell (Zoöl.),
a long, slender, spiral gastropod shell, especially of the genus
Turritella and allied genera. See Turritella. --
Screw steamer, a steamship propelled by a
screw. -- Screw thread, the spiral rib
which forms a screw. -- Screw stone
(Paleon.), the fossil stem of an encrinite. --
Screw tree (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. --
Screw valve, a stop valve which is opened or
closed by a screw. -- Screw worm
(Zoöl.), the larva of an American fly (Compsomyia
macellaria), allied to the blowflies, which sometimes deposits its
eggs in the nostrils, or about wounds, in man and other animals, with
fatal results. -- Screw wrench.
(a) A wrench for turning a screw.
(b) A wrench with an adjustable jaw that is moved
by a screw. -- To put the screw, or
screws, on, to use pressure upon, as
for the purpose of extortion; to coerce. -- To put under
the screw or screws, to subject to
pressure; to force. -- Wood screw, a metal
screw with a sharp thread of coarse pitch, adapted to holding fast in
wood. See Illust. of Wood screw, under
Wood.
Screw (?), v. t. [imp. & p.
p. Screwed (?); p. pr. & vb. n.
Screwing.] 1. To turn, as a screw; to
apply a screw to; to press, fasten, or make firm, by means of a screw
or screws; as, to screw a lock on a door; to screw a
press.
2. To force; to squeeze; to press, as by
screws.
But screw your courage to the sticking
place,
And we'll not fail. Shak.
3. Hence: To practice extortion upon; to
oppress by unreasonable or extortionate exactions.
Our country landlords, by unmeasurable screwing
and racking their tenants, have already reduced the miserable people
to a worse condition than the peasants in France.
swift.
4. To twist; to distort; as, to screw
his visage.
He screwed his face into a hardened smile.
Dryden.
5. To examine rigidly, as a student; to
subject to a severe examination. [Cant, American Colleges]
To screw out, to press out; to extort. -
- To screw up, to force; to bring by violent
pressure. Howell. -- To screw in, to
force in by turning or twisting.
Screw, v. i. 1. To
use violent mans in making exactions; to be oppressive or
exacting. Howitt.
2. To turn one's self uneasily with a twisting
motion; as, he screws about in his chair.
Screw (skr&udd;), n. [OE. scrue,
OF. escroue, escroe, female screw, F.
écrou, L. scrobis a ditch, trench, in LL., the
hole made by swine in rooting; cf. D. schroef a screw, G.
schraube, Icel. skrūfa.] 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.
&fist; 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, below.
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, below.
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. Thackeray.
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 Pitch, 10 (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. (Zoöl.) An amphipod
crustacean; as, the skeleton screw (Caprella). See
Sand screw, under Sand.
Archimedes screw, Compound
screw, Foot screw, etc. See under
Archimedes, Compound, Foot, etc. --
A screw loose, something out of order, so that
work is not done smoothly; as, there is a screw loose
somewhere. H. Martineau. -- Endless, 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. -- Lag
screw. See under Lag. -- Micrometer
screw, 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. -- Screw
alley. See Shaft alley, under Shaft.
-- Screw bean. (Bot.) (a)
The curious spirally coiled pod of a leguminous tree (Prosopis
pubescens) 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. -- Screw bolt,
a bolt having a screw thread on its shank, in distinction from a
key bolt. See 1st Bolt, 3. -- Screw
box, a device, resembling a die, for cutting the thread
on a wooden screw. -- Screw dock. See under
Dock. -- Screw engine, a marine
engine for driving a screw propeller. -- Screw
gear. See Spiral gear, under Spiral.
-- Screw jack. Same as Jackscrew. --
Screw key, a wrench for turning a screw or nut;
a spanner wrench. -- Screw machine.
(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. -- Screw pine
(Bot.), any plant of the endogenous genus Pandanus,
of which there are about fifty species, natives of tropical lands from
Africa to Polynesia; -- named from the spiral arrangement of the
pineapple-like leaves. -- Screw plate, a
device for cutting threads on small screws, consisting of a thin steel
plate having a series of perforations with internal screws forming
dies. -- Screw press, a press in which
pressure is exerted by means of a screw. -- Screw
propeller, a screw or spiral bladed wheel, used in the
propulsion of steam vessels; also, a steam vessel propelled by a
screw. -- Screw shell (Zoöl.),
a long, slender, spiral gastropod shell, especially of the genus
Turritella and allied genera. See Turritella. --
Screw steamer, a steamship propelled by a
screw. -- Screw thread, the spiral rib
which forms a screw. -- Screw stone
(Paleon.), the fossil stem of an encrinite. --
Screw tree (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. --
Screw valve, a stop valve which is opened or
closed by a screw. -- Screw worm
(Zoöl.), the larva of an American fly (Compsomyia
macellaria), allied to the blowflies, which sometimes deposits its
eggs in the nostrils, or about wounds, in man and other animals, with
fatal results. -- Screw wrench.
(a) A wrench for turning a screw.
(b) A wrench with an adjustable jaw that is moved
by a screw. -- To put the screw, or
screws, on, to use pressure upon, as
for the purpose of extortion; to coerce. -- To put under
the screw or screws, to subject to
pressure; to force. -- Wood screw, a metal
screw with a sharp thread of coarse pitch, adapted to holding fast in
wood. See Illust. of Wood screw, under
Wood.
Screw (?), v. t. [imp. & p.
p. Screwed (?); p. pr. & vb. n.
Screwing.] 1. To turn, as a screw; to
apply a screw to; to press, fasten, or make firm, by means of a screw
or screws; as, to screw a lock on a door; to screw a
press.
2. To force; to squeeze; to press, as by
screws.
But screw your courage to the sticking
place,
And we'll not fail. Shak.
3. Hence: To practice extortion upon; to
oppress by unreasonable or extortionate exactions.
Our country landlords, by unmeasurable screwing
and racking their tenants, have already reduced the miserable people
to a worse condition than the peasants in France.
swift.
4. To twist; to distort; as, to screw
his visage.
He screwed his face into a hardened smile.
Dryden.
5. To examine rigidly, as a student; to
subject to a severe examination. [Cant, American Colleges]
To screw out, to press out; to extort. -
- To screw up, to force; to bring by violent
pressure. Howell. -- To screw in, to
force in by turning or twisting.
Screw, v. i. 1. To
use violent mans in making exactions; to be oppressive or
exacting. Howitt.
2. To turn one's self uneasily with a twisting
motion; as, he screws about in his chair.
- Webster's Unabridged Dictionary (1913)
SCREW. A skeleton key used by housebreakers to open a
lock. To stand on the screw signifies that a door is not
bolted, but merely locked.
- The Devil's Dictionary (Ambrose Bierce)
- A (usually) metal fastener consisting of a conical, threaded tip, possibly a cylindrical, threaded body, and possibly an unthreaded cylindrical portion between the threaded part the the larger head; it is twisted directly into a solid piece of softer material, or into a pre-drilled hole slightly smaller than the outside diameter of the threads.
- (nautical) A ship's propeller.
- A prison guard.
- The act of screwing, as in 'to have a good screw', as in sexual intercourse
- (slang) Salary, wages.
- to connect or assemble pieces using a screw.
- (vulgar slang) to have sexual intercourse with.
- (slang) to cheat or treat unfairly. Sometimes seen in the form 'screw (someone) over'. In combining this sense with the usage as a synonym for sexual intercourse, screw follows fuck.
- (slang) to be angry.
- The Nuttall Encyclopedia
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