Source : Webster's Revised Unabridged Dictionary (1913)

AEsthesiometer \[AE]s*the`si*om"e*ter\, Esthesiometer
\Es*the`si*om"e*ter\, n. [Gr. ? (see {[AE]sthesia}) + -meter.]
   An instrument to measure the degree of sensation, by
   determining at how short a distance two impressions upon the
   skin can be distinguished, and thus to determine whether the
   condition of tactile sensibility is normal or altered.