threading

from The Century Dictionary.

• Forminga link with the windings of an electric circuit: said lines of force of a magnetic circuit passing through a coil of wire.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• verb Present participle of thread.
• noun An ancient Eastern method for removing hair by means of a thread, which is rolled over the hair in order to pluck it out at the follicle level.