hammer
     n 1: the part of a gunlock that strikes the percussion cap when
          the trigger is pulled [syn: {cock}]
     2: a hand tool with a heavy rigid head and a handle; used to
        deliver an impulsive force by striking
     3: an athletic competition in which a heavy metal ball that is
        attached to a flexible wire is hurled as far as possible
        [syn: {hammer throw}]
     4: the ossicle attached to the eardrum [syn: {malleus}]
     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 [syn: {power hammer}]
     8: the act of pounding (delivering repeated heavy blows); "the
        sudden hammer of fists caught him off guard"; "the
        pounding of feet on the hallway" [syn: {pound}, {hammering},
         {pounding}]
     v 1: beat with or as if with a hammer; "hammer the metal flat"
     2: create by hammering; "hammer the silver into a bowl"; "forge
        a pair of tongues" [syn: {forge}]
Source: WordNet® 2.0

hammer vt. Commonwealth hackish syn. for {bang on}.


Source: The Jargon File