trĭumvĭrālis — Lewis & Short
trĭumvĭrālis, e, adj.triumviri,
I of or belonging to the triumvirs, triumviral:
sectus flagellis triumviralibus,i. e. of the superintendents of prisons, Hor. Epod. 4, 11:
supplicium,Tac. A. 5, 9 fin.: proscriptio, i. e. of the triumvirorum reipublicae constituendae, Sen. Ben. 2, 11, 1; Lact. 2, 4, 36.