[ap-uh-ley-chee-uh, -chuh, -lach-ee-uh, -lach-uh] 
| 1. | Geology. a Paleozoic landmass, the erosion of which provided the sediments to form the rocks of the Appalachian Mountains. |
| 2. | a region in the E United States, in the area of the S Appalachian Mountains, usually including NE Alabama, NW Georgia, NW South Carolina, E Tennessee, W Virginia, E Kentucky, West Virginia, and SW Pennsylvania. |
| Ap·pa·la·chi·a (āp'ə-lā'chē-ə, -chə, -lāch'ē-ə, -lāch'ə) A region of the eastern United States including the Appalachian Mountains. |
A mountainous region in the eastern United States, running from northern Alabama to Pennsylvania, and including parts of Georgia, South Carolina, North Carolina, Tennessee, Kentucky, Virginia, and all of West Virginia.
Note: A major coal-mining center and one of the most impoverished regions of the country.
əˈleɪ