Definition of pleximeter in US English:

pleximeter

noun

Medicine
rare, historical
  • The object or device (originally a small ivory or bone plate, now usually the examiner's finger) interposed between the patient's body and the plexor in the diagnostic technique of mediate percussion.

Origin

Early 19th century; earliest use found in The Lancet. From Hellenistic Greek πλῆξις stroke, percussion + -meter, after French plessimètre plessimeter.

Pronunciation

pleximeter

/plɛkˈsɪmɪtə/