fulgŭrālis, e, adj. [fulgur],
of or relating to lightning : Etruscorum et haruspicini et fulgurales et rituales libri, treating of lightning as an omen , Cic. Div. 1, 33, 72; Amm. 23, 5, 13.
fulgurālis e, adj.fulgur, of lightning, of thunderbolts : libri, of lightning as an omen . ...
An Elementary Latin Dictionary