racking

In the manège, same as rack.

In masonry, the act of leaving-unfinished masonry, as prepared to receive future additions, in steps. Compare toothing.

In mech.: The act of operating or moving a slide-rest, or other feeding device, by a rack-and-pinion motion.

The act of running the hoisting-crab or trolley of a crane in or out, backward or forward, to place it in proper position.

The act of torturing on the rack.