shaft
noun
a long pole forming the body of various weapons, as lances, halberds, or arrows.
Used to describe an ongoing action or state that is currently taking place in the immediate present.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Cold-rolled Shafting—This is shafting made cylindrically round and parallel by means of cold rolling, which leaves a smooth and bright surface.
From Modern Machine-Shop Practice, Volumes I and II by Joshua Rose