Screw

skrōō, n. a cylinder with a spiral groove or ridge on either its outer or inner surface, used as a fastening and as a mechanical power: a screw-propeller: a turn or twist to one side: a penny packet of tobacco put up in a paper twisted at both ends: a stingy fellow, an extortioner, a skinflint: a broken-winded horse: pre ure: ( U.S. slang ) a profe or who requires students to work hard: salary, IMG:c327_x_Chambers_1908_Screw bolt.png_utm_source_en.wiki source.org_utm_campaign_parser_utm_content_thumbnail:Chambers_1908_Screw bolt.png-250px-Chambers_1908_Screw bolt.png?utm_source=en.wiki source.org _campaign=parser _content=thumbnail wages.— v.t. to apply a screw to: to pre with a screw: to twist: to oppre by extortion: to force: to squeeze.— ns. Screw′-bolt , a bolt threaded at one end for a nut; Screw′-cut′ter , a hand-tool for cutting screws; Screw′-driv′er , an instrument for driving or turning screw-nails.— adj. Screwed ( slang ), tipsy, tight.— ns. Screw′-el′evator , a dentist's instrument: a surgeon's instrument for forcing open the jaws; Screw′er .— adj. Screw′ing , exacting: close.— ns. Screw′-jack (same as Jackscrew ); Screw′-key , a lever for turning the nut of a screw; Screw′-machine′ , a machine for making screws; Screw′-nail , a nail made in the form of a screw; Screw′-pile , a pile forced into the ground, and held there by a peculiar kind of screw at the lower extremity; Screw′-pine , a plant of the tropical genus Pandanus , or of the screw-pine family—from the screw-like arrangement of the clustered leaves; Screw′-plate , a plate of steel in which are a IMG:c328__Chambers_1908_Screw pre .png_utm_source_en.wiki source.org_utm_campaign_parser_utm_content_thumbnail:Chambers_1908_Screw pre .png-250px-Chambers_1908_Screw pre .png?utm_source=en.wiki source.org _campaign=parser _content=thumbnail graduated series of holes, with internal screws used in forming external screws; Screw′-pod , the screw-bean Screw′-pre , a pre in which the force is applied by means of a screw; Screw′-propel′ler , a screw or spiral-bladed wheel at the stern of steam-ve els for propelling them: a steamer so propelled; Screw′-rudd′er , an application of the screw for the purpose of steering; Screw′-stair , a spiral staircase: a hanging stair; Screw′-steam′er , a steamer propelled by a screw; Screw′stone , a wheel stone: a fo il screw; Screw′-thread , the spiral ridge on the cylinder of a male screw, or on the inner surface of a female screw; Screw′-valve , a stop-cock opened and shut by means of a screw instead of a spigot; Screw′-ven′tilator , a ventilating IMG:c329_Chambers_1908_Screw wrench.png_utm_source_en.wiki source.org_utm_campaign_parser_utm_content_thumbnail:Chambers_1908_Screw wrench.png-330px-Chambers_1908_Screw wrench.png?utm_source=en.wiki source.org _campaign=parser _content=thumbnail apparatus; Screw′-worm , the larva of a blow-fly; Screw′-wrench , a tool for grasping the flat sides of the heads of large screws.— adj. Screw′y , exacting: close: worthle .— A screw loose , something defective. [Earlier scrue . O. Fr. escrou , prob. L. scrobem , acc us. of scrobs , a hole; or Low Ger. schruve , Dut. schroef , Ice. skrufa , Ger. schraube .]