head•stock
(hĕdstŏk′)
(hĕdstŏk′)n.
1. A nonmoving part of a machine or power tool that supports a revolving part, such as the spindle of a lathe.
2. The part of a stringed instrument adjoined to the end of the neck, where the strings are wound.Also called tuning head.
headstockon an electric bass guitar