[with obj.](Medicine)gently tap (a part of the body) with a finger or an instrument as part of a diagnosis (医)叩诊 the bladder was percussed. 对膀胱进行了叩诊。
语源
mid 16th cent. (in the general sense 'give a blow to'): from Latin percuss- 'struck forcibly', from the verb percutere, from per- 'through' + quatere 'to shake, strike'