Pommel

1. A knob forming the finial of a turret or pavilion.
2. The top (of the head).
3. The knob or protuberant part of a saddlebow.
4. To beat soundly, as with the pommel of a sword, or with something knoblike; hence, to beat with the fists.
5. The knob on the hilt of a sword.
6. A knob or ball; an object resembling a ball in form