Percussion may refer to: Percussion instrument, a large group of musical instruments Percussion idiophone, a percussion instrument which is beaten with a hand or with a dissimilar, non-sounding beater, as opposed to a concussion idiophone which is beaten against a second similar instrument In the Hornbostel–Sachs classification system, percussion refers generally to any object that beats against a dissimilar, non-sounding object, so a clarinet reed is described as percussion while an oboe reed is concussion Percussion (medicine), a method of clinical examination Percussion cap, an ignition system in firearms Percussive foraging, a method of finding food used by the Aye-aye lemur
See also Repercussion (disambiguation)