piatrix

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

pĭātrix, īcis, f. [piator],

she that appeases the gods by a sacrifice : piatrix dicebatur sacerdos, quae expiare erat solita, quam quidam simulatricem, alii sagam, alii expiatricem vocant, Fest. p. 213 Müll. (in Plaut. Mil. 3, 1, 101, read plicatricem).