hammer in WordNet English dictionary

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

1. create by hammering
   "hammer the silver into a bowl"; "forge a pair of tongues"
   forge  hammer 
   
2. beat with or as if with a hammer
   "hammer the metal flat"
   hammer