A mountain range in the eastern United States extending from Quebec to the Gulf of Mexico; a historic barrier to early westward expansion of the United States(noun)
WordNet. Princeton University. 2010.
Use "appalachians" in a sentence
"Wolves used to be native to the appalachians as far as I can tell."
"In the southern appalachians with brook trout, they will attack anything if it looks remotely edible."
"Here in the appalachians, since the removal of mountain lions a century ago, deer numbers have exploded and many of them are fraile and weak due to the lack of food and no predators."