cheekpiece

 
Pronunciation: /ˈtʃiːkpiːs/

noun

  • 1a smooth block fitted to the stock of a rifle or shotgun and resting against the face when aiming from the shoulder.
  • 2either of the two straps of a horse’s bridle joining the bit and the headpiece.
  • 3a bar on a horse’s bit which lies outside the mouth.