Meaning ofheadstockin English

Noun

1. machine part holding the main spindle; controls rotation
   The lathe's headstock controls the rotation of the workpiece.
2. instrument part holding tuning pegs; adjusts string tension
   The guitar's headstock is where you find the tuning pegs.
3. beam supporting a bell's weight; provides stability
   The headstock of the bell tower supports the heavy bell.