a knob, as on the hilt of a sword.

the protuberant part at the front and top of a saddle.

Architecture . a spherical ornament or finial.

Gymnastics . either of the two curved handles on the top surface of a side horse.

to beat or strike with or as if with the fists or a pommel.

verb

beat , belabor , club , cudgel , finial , handle , knob , maul , pound , pummel , saddlebow , strike , thwack