Chrestologus

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

Chrestŏlŏgus, i, m., = χρηστολόγος (well speaking, but ill working),

a nickname of the emperor Pertinax , Capit. Pert. 13; Aur. Vict. Epit. 18.