Medicine/Medical. to strike or tap for diagnostic or therapeutic purposes.
to strike (something) so as to shake or cause a shock to.
verb (used without object)
Medicine/Medical. to strike the surface of a part of the body for diagnostic purposes.
Origin: 1550–60; < Latinpercussus, past participle of percutere to strike hard, beat, equivalent to per-per- + -cut(ere), combining form of quatere to shake (see quash) + -tus past participle suffix, with tt > ss