The noun rack has 7 senses (first 1 from tagged texts)
1. (5) rack -- (framework for holding objects)
2. rack -- (rib section of a forequarter of veal or pork or especially lamb or mutton)
3. wrack, rack -- (the destruction or collapse of something; "wrack and ruin")
4. rack, wheel -- (an instrument of torture that stretches or disjoints or mutilates victims)
5. rack, stand -- (a support for displaying various articles; "the newspapers were arranged on a rack")
6. rack -- (a form of torture in which pain is inflicted by stretching the body)
7. rack, single-foot -- (a rapid gait of a horse in which each foot strikes the ground separately)
Overview of verb rack
The verb rack has 11 senses (first 2 from tagged texts)
1. (2) single-foot, rack -- (go at a rack; "the horses single-footed")
2. (1) rack -- (stretch to the limits; "rack one's brains")
3. rack -- (put on a rack and pinion; "rack a camera")
4. 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")
5. scud, rack -- (run before a gale)
6. rack -- (fly in high wind)
7. rack -- (draw off from the lees; "rack wine")
8. torment, torture, excruciate, rack -- (torment emotionally or mentally)
9. rack -- (work on a rack; "rack leather")
10. rack -- (seize together, as of parallel ropes of a tackle in order to prevent running through the block)