- demonstratorius
- dēmonstrātōrĭus, a, um, adj. [demonstrator], pointing out, indicating:
digitus,
the index-finger, Isid. 11, 1, 70.
Lewis & Short Latin Dictionary, 1879. - Revised, Enlarged, and in Great Part Rewritten. Charlton T. Lewis, Ph.D. and Charles Short. 2011.