∙ A (usually) metal fastener consisting of a shank partially or completely threaded shank, sometimes with a threaded point, and a head used to both hold the top material and to drive the screw either directly into a soft material or into a prepared hole.
∙ A ship's propeller. nautical
∙ An Archimedes screw.
∙ A steam vessel propelled by a screw instead of wheels.
∙ A prison guard. derogatory
∙ An extortioner; a sharp bargainer; a skinflint. derogatory
∙ An instructor who examines with great or unnecessary severity; also, a searching or strict examination of a student by an instructor. US, slang, dated
∙ Sexual intercourse; the act of screwing. vulgar, slang
∙ A casual sexual partner. vulgar, slang
∙ Salary, wages. slang
∙ Backspin. billiards
∙ A small packet of tobacco. slang
∙ An old, worn-out, unsound and worthless horse. dated
∙ A straight line in space with which a definite linear magnitude termed the pitch is associated. 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. mathematics
∙ An amphipod crustacean.
∙ A prison guard. dated, slang
Verb
∙ To connect or assemble pieces using a screw. transitive
∙ To have sexual intercourse with. transitive, vulgar, slang
∙ To cheat someone or ruin their chances in a game or other situation. Sometimes used in the form "screw over". transitive, slang
∙ To apply pressure on; to put the screws on. transitive
∙ To practice extortion upon; to oppress by unreasonable or extortionate exactions.
∙ To contort. transitive
∙ To miskick (a ball) by hitting it with the wrong part of the foot. soccer, transitive
∙ To screw back. billiard, snooker, pool
∙ To examine (a student) rigidly; to subject to a severe examination. US, slang, dated