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

Bed Screw :: Bed screw () A form of jack screw for lifting large bodies, and assisting in launching..
Chaser :: Chaser (n.) A tool with several points, used for cutting or finishing screw threads, either external or internal, on work revolving in a lathe..
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..
Corkscrew :: Corkscrew (n.) An instrument with a screw or a steel spiral for drawing corks from bottles.
Screw :: Screw (n.) A steam vesel propelled by a screw instead of wheels; a screw steamer; a propeller.
Thumbkin :: Thumbkin (n.) An instrument of torture for compressing the thumb; a thumbscrew.
Screw :: Screw (v. t.) To force; to squeeze; to press, as by screws..
Bed Screw :: Bed screw () A long screw formerly used to fasten a bedpost to one of the adjacent side pieces.
Turn-buckle :: Turn-buckle (n.) A loop or sleeve with a screw thread at one end and a swivel at the other, -- used for tightening a rod, stay, etc..
Vane :: Vane (n.) Any flat, extended surface attached to an axis and moved by the wind; as, the vane of a windmill; hence, a similar fixture of any form moved in or by water, air, or other fluid; as, the vane of a screw propeller, a fan blower, an anemometer, etc..
Screw :: Screw (v. t.) To examine rigidly, as a student; to subject to a severe examination..
Water Snail :: Water snail () The Archimedean screw.
Worm :: Worm (n.) A short revolving screw, the threads of which drive, or are driven by, a worm wheel by gearing into its teeth or cogs. See Illust. of Worm gearing, below..
Comb :: Comb (n.) A tool with teeth, used for chasing screws on work in a lathe; a chaser..
Screw :: Screw (n.) 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,
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..
Screwed :: Screwed (imp. & p. p.) of Scre.
Screw :: Screw (n.) An amphipod crustacean; as, the skeleton screw (Caprella). See Sand screw, under Sand..
Machine :: Machine (n.) In general, any combination of bodies so connected that their relative motions are constrained, and by means of which force and motion may be transmitted and modified, as a screw and its nut, or a lever arranged to turn about a fulcrum or a pulley about its pivot, etc.; especially, a construction, more or less complex, consisting of a combination of moving parts, or simple mechanical elements, as wheels, levers, cams, etc., with their supports and connecting framework, calculated to
Corkscrew :: Corkscrew (v. t.) To press forward in a winding way; as, to corkscrew one's way through a crowd..
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