<p><strong>noun</strong></p><ul><li>the striking of one body against another with some sharpness; impact; blow</li><li>Medicine/Medical: the striking or tapping of the surface of a part of the body for diagnostic or therapeutic purposes</li><li>the striking of a musical instrument to produce tones</li><li>Music: the section of an orchestra or band comprising the percussion instruments</li><li>the percussion instruments themselves</li><li>a sharp blow for detonating a percussion cap or the fuze of an artillery shell</li><li>the striking of sound on the ear</li><li>the act of percussing</li></ul>