of, from, or relating to the Appalachian Mountains
2. geology
of or relating to an episode of mountain building in the late Palaeozoic era during which the Appalachian Mountains were formed
Appalachian in American English
(ˌæpəˈleitʃiən, -tʃən, -ˈlætʃiən, ˈlætʃən)
adjective
1.
of or pertaining to the Appalachian Mountains
2.
of or pertaining to the region of Appalachia, its inhabitants, or their culture
3. Geology
of or pertaining to the orogeny and accompanying intrusion that occurred in eastern North America during the Pennsylvanian and Permian periods
noun
4.
a native or inhabitant of Appalachia, esp. one of predominantly Scotch-Irish, English, or German ancestry who exemplifies the characteristic cultural traditions of this region