noun:

1. Initialism of Risk-aware consensual kink.
2. That which is extorted; exaction.
3. A fast amble.
4. A hollow triangle used for aligning the balls at the start of a game.
5. A set with a distributive binary operation whose result is unique.
6. A bar with teeth on its face or edge, to work with those of a gearwheel, pinion.
7. Or worm, which is to drive or be driven by it.
8. A cut of meat involving several adjacent ribs.
9. A wreck; destruction.
10. A cranequin, a mechanism including a rack, pinion and pawl, providing both mechanical advantage and a ratchet, used to bend and cock a crossbow.
11. A distaff.
12. A young rabbit, or its skin.
13. A grate on which bacon is laid.
14. A set of antlers (as on deer, moose or elk).
15. A climber's set of equipment for setting up protection and belays, consisting of runners, slings, carabiners, nuts, Friends, etc.
16. Thin, flying, broken clouds, or any portion of floating vapour in the sky.
17. A woman's breasts.
18. Sleep.
19. Alternative form of arak.
20. A device, incorporating a ratchet, used to torture victims by stretching them beyond their natural limits.
21. A series of one or more shelves, stacked one above the other.
22. Any of various kinds of frame for holding luggage or other objects on a vehicle or vessel.
23. A bunk.
24. A bar with teeth on its face or edge, to work with a pawl as a ratchet allowing movement in one direction only, used for example in a handbrake or crossbow.
25. A friction device for abseiling, consisting of a frame with five or more metal bars, around which the rope is threaded.
26. A thousand pounds (£1,000), especially if proceeds of crime.
27. A piece or frame of wood, having several sheaves, through which the running rigging passes.

verb:

1. To amble fast, causing a rocking or swaying motion of the body; to pace.
2. To wash (metals, ore, etc.) on a rack.
3. To stretch a person's joints.
4. Tending to shear a structure (that is, force it to move in different directions at different points).
5. To drive; move; go forward rapidly; stir.
6. To clarify, and thereby deter further fermentation of, beer, wine or cider by draining or siphoning it from the dregs.
7. To put the balls into the triangular rack and set them in place on the table.
8. To stretch or strain; to harass, or oppress by extortion.
9. To place in or hang on a rack.
10. To fly, as vapour or broken clouds.
11. To strike (a person) in the testicles.
12. To (manually) load (a round of ammunition) from the magazine or belt into firing position in an automatic or semiautomatic firearm.
13. To move the slide bar on a shotgun in order to chamber the next round.
14. To bind together, as two ropes, with cross turns of yarn, marline, etc.
15. To cause (someone) to suffer pain.
16. To torture (someone) on the rack.