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

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..
Cup :: Cup (v. t.) To make concave or in the form of a cup; as, to cup the end of a screw..
Mesquit :: Mesquit (n.) A name for two trees of the southwestern part of North America, the honey mesquite, and screw-pod mesquite..
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..
Breech Screw :: Breech screw () A strong iron or steel plug screwed into the breech of a musket or other firearm, to close the bottom of the bore..
Blank :: Blank (n.) A piece of metal prepared to be made into something by a further operation, as a coin, screw, nuts..
Strombus :: Strombuliform (a.) Coiled into the shape of a screw or a helix.
Nurl :: Nurl (v. t.) To cut with reeding or fluting on the edge of, as coins, the heads of screws, etc.; to knurl..
Nut :: Nut (n.) A perforated block (usually a small piece of metal), provided with an internal or female screw thread, used on a bolt, or screw, for tightening or holding something, or for transmitting motion. See Illust. of lst Bolt..
Drill Press :: Drill press () A machine for drilling holes in metal, the drill being pressed to the metal by the action of a 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..
Screw :: Screw (n.) An amphipod crustacean; as, the skeleton screw (Caprella). See Sand screw, under Sand..
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..
Comb :: Comb (n.) A tool with teeth, used for chasing screws on work in a lathe; a chaser..
Stock :: Stock (n.) A handle or wrench forming a holder for the dies for cutting screws; a diestock.
Thumbkin :: Thumbkin (n.) An instrument of torture for compressing the thumb; a thumbscrew.
Pandanus :: Pandanus (n.) A genus of endogenous plants. See Screw pine.
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..
Tap :: Tap (v. t.) To form an internal screw in (anything) by means of a tool called a tap; as, to tap a nut..
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