Definition of: screw

(skr) noun
1. A device resembling a nail but having a slotted head and a tapering or cylindrical spiral for driving into wood with a screwdriver, or for insertion into a corresponding grooved part: called male or external screw.
2. A cylindrical socket with a spiral groove: called female or internal screw.
3. Anything having the form of a screw.
4. A screw propeller.
5. A turn of or as of a screw.
6. Pressure; force.
7. Brit. Slang Salary; pay.
8. Slang A prison guard.
9. A haggler over prices; a crafty bargainer.
10. Brit. A worthless horse.
11. Brit. A small packet of tobacco.
12. Slang An act of sexual intercourse: a vulgar term.
—to have a screw loose Slang To be mentally deranged, eccentric, etc.
—to put the screws on (or to) Slang To exert pressure or force upon.
—v.t.
1. To tighten, fasten, attach, etc., by or as by a screw or screws.
2. To turn or twist.
3. To force as if by the pressure of a screw; urge: to screw one's courage to the sticking point.
4. To twist out of shape; contort, as one's features.
5. To practice oppression or extortion on; defraud.
6. To obtain by extortion.
7. Slang To have sexual intercourse with: a vulgar term.
8. Slang To act maliciously toward; harm.
—v.i.
9. To turn or admit of being turned as a screw.
10. To be attached or become detached by means of a screw or screws: with on, off, etc.
11. To have turns like those of a screw.
12. To practice oppression or extortion.
13. Slang To have sexual intercourse: a vulgar term.
—to screw up Slang To botch; make a mess of: He screwed up his career. [Appar. <OF escroue a nut, female screw,? <L scrofa sow; infl. in OF by L scrobis vulva]
—screw′er noun
TYPES OF SCREWS
a. Lagscrew.
b. Wood screw.
c. Saw screw.
d. Fillister screw.
e. Skein screw.
f. Shoulder screw.
g, h. Thumbscrews.
i. Collar screw.
j. Slotted screw.