One of the mysteries of the English language finally explained.
A pendulum fixed at the base and with its upper end free; specifically a vertical rod having a heavy weight at its upper end and resting on a bearing at the other, held in position by springs which allow it to oscillate in a vertical plane.
Late 18th century; earliest use found in Thomas Hatton (fl. 1757–1774).
In this article we explore how to impress employers with a spot-on CV.