Latiālis e, adj.,
of Latium, Latin, O.
Lătĭālis, e; Lătĭālĭter, Lătĭar, āris; Lătĭāris, e; Lătĭārĭter, v. Latium, II. D. ...
A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.