Catoptromancy

Catoptromancy (Gk. κάτοπτρον, katoptron, "mirror," and μαντεία, manteia, "divination"), also known as captromancy or enoptromancy, is divination using a mirror.

Pausanias, an ancient Greek traveler, described as follows:

In Ancient Rome, the priests who used catoptromancy were called specularii.