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Appalachian \Ap`pa*la"chi*an\, a. Of or pertaining to a chain of mountains in the United States, commonly called the {Allegheny} mountains. Note: The name Appalachian was given to the mountains by the Spaniards under De Soto, who derived it from the neighboring Indians. --Am. Cyc.
Appalachian adj : in or relating to Appalachia