a mountain system of E North America, extending from Quebec province in Canada to central Alabama in the US: contains rich deposits of anthracite, bitumen, and iron ore. Highest peak: Mount Mitchell, 2037 m (6683 ft)
Appalachian Mountains in American English
noun
a mountain range in E North America, extending from S Quebec province to N Alabama. Highest peak,Mt. Mitchell, 6684 ft. (2037 m)