demonstrator

dēmōnstrātor ōris, m

demonstro, one who points out, an indicator, guide : unius cuiusque sepeliendi.

demonstrator
dēmonstrātor, ōris, m. [demonstro], one who points out or indicates; an indicator, exhibiter (ver...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
Demonstrator
·noun A teacher of practical anatomy. II. Demonstrator ·noun One who demonstrates; one who proves a...

Webster's Dictionary of the English Language