3. (noun)malleus, hammer the ossicle attached to the eardrum
4. (noun)mallet, hammer a lightdrumstick with a rounded head that is used to strike such percussion instruments as chimes, kettledrums, marimbas, glockenspiels, etc.
8. (noun)hammer, pound, hammering, pounding the act of pounding (delivering repeated heavy blows)
"the sudden hammer of fists caught him off guard"; "the pounding of feet on the hallway"
9. (verb)hammer beat with or as if with a hammer "hammer the metal flat"
10. (verb)forge, hammer create by hammering "hammer the silver into a bowl"; "forge a pair of tongues"