mallet

Short definition from Wiktionary

Noun

1. 1
   A type of hammer with a larger-than-usual head made of wood, rubber or similar non-iron material, used by woodworkers for driving a tool, such as a chisel. A kind of maul.
2. 2
   A weapon resembling the tool, but typically much larger.
3. 3
   A small hammer-like tool used for playing certain musical instruments.
4. 4
   A light beetle with a long handle used in playing croquet.
5. 5
   The stick used to strike the ball in the sport of polo.
6. 6
   A type of articulated locomotive having two powered trucks, with the rear truck being rigidly attached to the main body and boiler of the locomotive, while the front powered truck is attached to the rear by a hinge, so that it may swing from side to side, and with the front end of the boiler resting upon a sliding bearing on the swinging front truck.

Verb

1. 1
   To beat or strike with, or as if with, a mallet.

Proper noun

1. 1
   The malicious party in examples of threat scenarios. See Alice and Bob.