- (northern US) IPA(key): /ˌæ.pəˈleɪ.ʃənz/, /ˌæ.pəˈleɪ.tʃənz/
- (southern US) IPA(key): /ˌæ.pəˈlæ.tʃənz/
- Rhymes: -ætʃənz
- A range of mountains in eastern North America, running northeast from Alabama in the United States to Newfoundland in Canada, variously including or excluding the Adirondack Mountains in northern New York.
- The portion of this area which lies in the southern United States, as a socioeconomic region.
a mountain range in eastern North America
- plural of