S: (n) torture, torturing (the deliberate, systematic, or wanton infliction of physical or mental suffering by one or more persons in an attempt to force another person to yield information or to make a confession or for any other reason) "it required unnatural torturing to extract a confession"
S: (n) rack, single-foot (a rapid gait of a horse in which each foot strikes the ground separately)
S: (v) rack (stretch to the limits) "rack one's brains"
S: (v) rack (put on a rack and pinion) "rack a camera"
S: (v) extort, squeeze, rack, gouge, wring (obtain by coercion or intimidation) "They extorted money from the executive by threatening to reveal his past to the company boss"; "They squeezed money from the owner of the business by threatening him"