1. a framework, stand, or grating on or in which articles are placed

2. an instrument of torture on which a body is stretched

3. a cause of anguish or pain

4. acute suffering

5. the action of straining or wrenching

6. a bar with teeth on one face for gearing with a pinion or worm gear to transform rotary motion to linear motion or vice versa (as in an automobile steering mechanism)

7. a notched bar used as a ratchet to engage with a pawl, click, or detent

8. a pair of antlers

9. bed, sack

10. a triangular frame used to set up the balls in a pool game also the balls as set up

11. a framework for holding fodder for livestock

12. under great emotional stress

13. to cause to suffer torture, pain, anguish, or ruin

14. to place (balls, such as pool balls) in a rack

15. to stretch or strain violently

16. to raise (rents) oppressively

17. to harass or oppress with high rents or extortions

18. to torture on the rack

19. to work or treat (material) on a rack

20. to work by a rack and pinion or worm so as to extend or contract
rack a camera

21. to seize (ropes, such as parallel ropes of a tackle) together

22. to become forced out of shape or out of plumb

23. the rib section of a lamb's forequarters used for chops or as a roast — see lamb illustration

24. the neck and spine of a forequarter of veal, pork, or especially mutton

25. destruction
rack and ruin

26. either of two gaits of a horse:

27. pace sense 4b

28. a fast showy 4-beat gait similar to the pace but in which the feet of the same side do not touch down at the same time

29. to go at a rack

30. a wind-driven mass of high often broken clouds

31. to fly or scud in high wind

32. to draw off (wine) from the lees

33. a frame or stand for storing or displaying things
a magazine rack a hat rack

34. to cause to suffer torture, pain, or sorrow
He was racked by a cough.

35. to force to think hard
I racked my brain for an answer.