Definition of campanian:
(adj) :
Of, from or relating to Campania in southern Italy.
(n) :
A native or inhabitant of Campania in southern Italy.
(n) :
(geology) The fifth of six geological ages of the Late Cretaceous epoch, spanning the time from 83.6 ± 0.7 to 72.1 ± 0.6 million years ago. It is preceded by the Santonian and followed by the Maastrichtian.
(n) :
A group of Central Italian dialects spoken in Campania.