Screw

n. 1 thin cylinder or cone with a spiral ridge or thread running round the outside (male screw) or the inside (female screw). 2 (in full woodscrew) metal male screw with a slotted head and a sharp point. 3 (in full screwbolt) blunt metal male screw on which a nut is threaded to bolt things together. 4 straight screw used to exert pressure. 5 (in sing. or pL) instrument of torture acting in this way. 6 (in full screwpropeller) propeller with twisted blades acting like a screw on the water or air. 7 one turn of a screw. 8 (foil. by of) small twistedup paper (of tobacco etc.). 9 (in billiards etc.) an oblique curling_ motion of the ball. 10 slang prison warder. 11 coarse slang a act of sexual intercourse. b partner in this. v. 1 fasten or tighten with a screw or screws. 2 turn (a screw). 3 twist or turn round like a screw. 4 (of a ball etc.) swerve. 5 (foil. by out op extort (consent, money, etc.) from. 6 (also absoL) coarse slang have sexual intercourse with. 7 swindle.