打だ診しん器きだしんきMeanings1nounplexor; plessor; percussorA medical instrument used in percussion examination; a small hammer-like device for tapping the body to assess underlying structures.医い師しは打だ診しん器きで患かん者じゃの胸むねを軽かるく叩たたいた。The doctor lightly tapped the patient's chest with a plexor.