Definition of screw

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Screw (n.) 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..

Lern More About Screw

Cup :: Cup (v. t.) To make concave or in the form of a cup; as, to cup the end of a screw..
Wrench :: Wrench (v. t.) An instrument, often a simple bar or lever with jaws or an angular orifice either at the end or between the ends, for exerting a twisting strain, as in turning bolts, nuts, screw taps, etc.; a screw key. Many wrenches have adjustable jaws for grasping nuts, etc., of different sizes..
Blank :: Blank (n.) A piece of metal prepared to be made into something by a further operation, as a coin, screw, nuts..
Thumbscrew :: Thumbscrew (n.) An old instrument of torture for compressing the thumb by a screw; a thumbkin.
Archimedes :: Archimedes (n.) An extinct genus of Bryzoa characteristic of the subcarboniferous rocks. Its form is that of a screw.
Chase :: Chase (v. t.) To cut, so as to make a screw thread..
Hub :: Hub (n.) A screw hob. See Hob, 3..
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..
Tourniquet :: Tourniquet (n.) An instrument for arresting hemorrhage. It consists essentially of a pad or compress upon which pressure is made by a band which is tightened by a screw or other means.
Thread :: Thread (n.) The prominent part of the spiral of a screw or nut; the rib. See Screw, n., 1..
Thumbkin :: Thumbkin (n.) An instrument of torture for compressing the thumb; a thumbscrew.
Bush :: Bush (n.) A piece of copper, screwed into a gun, through which the venthole is bored..
Screw :: Screw (v. t.) To examine rigidly, as a student; to subject to a severe examination..
Thread :: Thread (v. t.) To form a thread, or spiral rib, on or in; as, to thread a screw or nut..
Counterbore :: Counterbore (n.) A flat-bottomed cylindrical enlargement of the mouth of a hole, usually of slight depth, as for receiving a cylindrical screw head..
Terminal :: Terminal (n.) Either of the ends of the conducting circuit of an electrical apparatus, as an inductorium, dynamo, or electric motor, usually provided with binding screws for the attachment of wires by which a current may be conveyed into or from the machine; a pole..
Pitch :: Pitch (n.) The length, measured along the axis, of a complete turn of the thread of a screw, or of the helical lines of the blades of a screw propeller..
Die :: Die (n.) A hollow internally threaded screw-cutting tool, made in one piece or composed of several parts, for forming screw threads on bolts, etc.; one of the separate parts which make up such a tool..
Gib :: Gib (n.) A piece or slip of metal or wood, notched or otherwise, in a machine or structure, to hold other parts in place or bind them together, or to afford a bearing surface; -- usually held or adjusted by means of a wedge, key, or screw..
Nipple :: Nipple (n.) A pipe fitting, consisting of a short piece of pipe, usually provided with a screw thread at each end, for connecting two other fittings..
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