Disceptator | Webster's Dictionary of the English Language

disceptator
disceptātor, ōris, m. [discepto], an umpire, arbitrator, judge : disceptator id est rei sententiaequ...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
disceptator
disceptātor ōris, m discepto, an umpire, arbitrator, judge : criminis: populoR.disceptatore uti: d...

An Elementary Latin Dictionary