pleximeter

noun

1. a small thin metal plate held against the body and struck with a plexor in percussive examinations
   Terjemahkan ke Indonesia sumber: wordnet30
2. A small, hard, elastic plate, as of ivory, bone, or rubber, placed in contact with body to receive the blow, in examination by mediate percussion.
   Terjemahkan ke Indonesia sumber: webster1913