rĕgĭōnālis

e, adj.

regio

I. of or belonging to a province or region: concilium, provincial (opp. plenarium), Aug. Bapt. contr. Donat. 7, 53. — Adv.: rĕgĭōnālĭ-ter, by provinces or regions, = regionatim, App. de Mundo, 23, p. 68, 2; Cael. Aur. Acut. 2, 29, 157.
Lewis & Short
A Latin Dictionary, 1879
An open-access project