Dictionary Check: hammer

the part of a gunlock that strikes the percussion cap when the trigger is pulled

a hand tool with a heavy rigid head and a handle; used to deliver an impulsive force by striking

the ossicle attached to the eardrum

a light drumstick with a rounded head that is used to strike such percussion instruments as chimes, kettledrums, marimbas, glockenspiels, etc.

a heavy metal sphere attached to a flexible wire; used in the hammer throw

a striker that is covered in felt and that causes the piano strings to vibrate