Palatinus, (plural: Palatini) Latin for 'palatial', enters in designations for various ecclesiastical offices in the Catholic Church, primarily, of certain high officials in the papal court.
Medieval Palatine judges
In the Middle Ages, the judices palatini (papal palace judges) were the highest administrative officers of the pope's household; with the growth of the temporal power of the popes they acquired great importance. These judices palatini were
chief were the primicerius notariorum and secundarius notariorum, the two superintendents of the papal notarii (notaries), who superintended the preparation of official documents, conducted judicial investigations and exercised jurisdiction in legal matters voluntarily submitted by the interested parties to the papal court; they were the highest officers of the papal Chancery and of the archives of the Lateran Palace.
the nomenculator or adminiculator (originally perhaps two distinct officials), who took charge of, and decided upon, petitions to the pope. (The nomenculator was superseded in the course of the ninth century by the protoscriniarius, or superintendent of the Roman public schools for scribes.)
The arcarius and saccellarius were the highest financial officers, custodians of the treasures of the pope's Lateran Palace, who had charge of the receipt and payment of moneys. The vestararius was the third financial office.
The primicerius defensorum and secundicerius defensorum, being superintendents of the......