pommel

Short definition from Wiktionary

Noun

1. 1
   The upper front brow of a saddle.
2. 2
   A rounded knob or handle: Either of the rounded handles on a pommel horse.
3. 3
   A rounded knob or handle: The knob on the hilt of an edged weapon such as a sword or dagger.
4. 4
   A rounded knob or handle: A knob forming the finial of a turret or pavilion.
5. 5
   The bat used in the game of knurr and spell or trap ball.

Verb

1. 1
   To pound or beat.