pounding

pounding (http://definr.com/pounding)

     n 1: repeated heavy blows [syn: buffeting]
     2: an instance of rapid strong pulsation (of the heart); "he
        felt a throbbing in his head" [syn: throb, throbbing]
     3: 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: hammer, pound,
        hammering]