percussor noun4 •A small hammer-like tool that a physician uses to provide a light blow to a body part.A mechanical percussor is ordered to assist with secretion clearnace in a patient receiving CPT. — 2009 •A hammerstone or similar tool used for smashing, or chipping.Bi-polar percussion involves the placement of the objective piece on an anvil stone and subsequently striking it with a percussor, as one would crack a nut. — 1978 •A part of a device that is intended to impart a striking action.Where air drilling can be used, for example, the air percussor appears to be gaining acceptance. — 1961 •A physician who provides light blow to a body part as a diagnostic technique.When he has reached this stage, the percussor is an expert, and his ability to produce deceptive effects is his best guarantee that he will not be himself deceived. — 1898 formspercussors