Definition of screw

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Screw (n.) 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..

Lern More About Screw

Conveyor :: Conveyor (n.) A contrivance for carrying objects from place to place; esp., one for conveying grain, coal, etc., -- as a spiral or screw turning in a pipe or trough, an endless belt with buckets, or a truck running along a rope..
Tap :: Tap (n.) A tool for forming an internal screw, as in a nut, consisting of a hardened steel male screw grooved longitudinally so as to have cutting edges..
Gimlet :: Gimlet (n.) A small tool for boring holes. It has a leading screw, a grooved body, and a cross handle..
Countersink :: Countersink (n.) An enlargement of the upper part of a hole, forming a cavity or depression for receiving the head of a screw or bolt..
Screw :: Screw (n.) A small packet of tobacco.
Screw :: Screw (n.) An instructor who examines with great or unnecessary severity; also, a searching or strict examination of a student by an instructor..
Screw :: Screw (n.) An extortioner; a sharp bargainer; a skinflint; a niggard.
Screw :: Screw (n.) An unsound or worn-out horse, useful as a hack, and commonly of good appearance..
Helix :: Helix (n.) A nonplane curve whose tangents are all equally inclined to a given plane. The common helix is the curve formed by the thread of the ordinary screw. It is distinguished from the spiral, all the convolutions of which are in the plane..
Cramp :: Cramp (n.) A rectangular frame, with a tightening screw, used for compressing the joints of framework, etc..
Screw :: Screw (v. t.) To twist; to distort; as, to screw his visage..
Screw-cutting :: Screw-cutting (a.) Adapted for forming a screw by cutting; as, a screw-cutting lathe..
Comb :: Comb (n.) A tool with teeth, used for chasing screws on work in a lathe; a chaser..
Propeller :: Propeller (n.) A contrivance for propelling a steam vessel, usually consisting of a screw placed in the stern under water, and made to revolve by an engine; a propeller wheel..
Screw :: Screw (n.) 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..
Unscrew :: Unscrew (v. t.) To draw the screws from; to loose from screws; to loosen or withdraw (anything, as a screw) by turning it..
Hindleys Screw :: Hindleys screw () A screw cut on a solid whose sides are arcs of the periphery of a wheel into the teeth of which the screw is intended to work. It is named from the person who first used the form.
Archimedes :: Archimedes (n.) An extinct genus of Bryzoa characteristic of the subcarboniferous rocks. Its form is that of a screw.
Lute :: Lute (n.) A stringed instrument formerly much in use. It consists of four parts, namely, the table or front, the body, having nine or ten ribs or sides, arranged like the divisions of a melon, the neck, which has nine or ten frets or divisions, and the head, or cross, in which the screws for tuning are inserted. The strings are struck with the right hand, and with the left the stops are pressed..
Crick :: Crick (n.) A small jackscrew.
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