percuss

verb3

1. •
   To strike; to hit; to knock; to give a blow to.

   • Solid bodies, if they be very softly percussed, give no sound.
2. •
   To attempt to pinpoint the location or other quality of something by tapping on an overlying surface.

   • The doctor percussed his chest to determine whether he had pneumonia.
   • Percussing a patient's spleen is best done while he is on his back.
3. •
   To impact.

   • Falling on the roof of the caravan, the hailstones percussed noisily.