Noun

1. The part of a gunlock that strikes the percussion cap when the trigger is pulled
2. A hand tool with a heavy rigid head and a handle; used to deliver an impulsive force by striking
3. The ossicle attached to the eardrum
4. A light drumstick with a rounded head that is used to strike such percussion instruments as chimes, kettledrums, marimbas, glockenspiels, etc.
5. A heavy metal sphere attached to a flexible wire; used in the hammer throw
6. A striker that is covered in felt and that causes the piano strings to vibrate
7. A power tool for drilling rocks
8. The act of pounding (delivering repeated heavy blows)

Verb

1. Beat with or as if with a hammer
2. Create by hammering