murder hole

Alternative forms

 * murder-hole

Noun

 * 1)  A slit or hole above the entrance to a fortification, thought to provide access for defenders to kill invaders.
 * 2)  A chamber above the entrance to a fortification where defenders hide and  shoot at invaders trapped in the entryway below.
 * 1)  A chamber above the entrance to a fortification where defenders hide and  shoot at invaders trapped in the entryway below.
 * 1)  A chamber above the entrance to a fortification where defenders hide and  shoot at invaders trapped in the entryway below.
 * 1)  A chamber above the entrance to a fortification where defenders hide and  shoot at invaders trapped in the entryway below.