Lewis & Short

pā̆trōcĭnālis, e, adj. [patrocinium], of or belonging to protection or patronage: TABVLAE PATROCINALES, the patronage tab lets, on which was engraved the decree of the chief magistrate of a municipium or a colony, appointing a patron for it, and which were transmitted to him, Inscr. Romanelli, Topogr Napol. tom. iii. p. 147.