Definify.com
Webster 1913 Edition
Pleximeter
Plex-im′e-ter
,Noun.
[Gr. [GREEK] stroke, percussion (from [GREEK] to strike) +
-meter
.] (Med.)
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.
[Written also
plexometer
.]