Noun appalachian mountains has 1 sense
  1. Appalachians, Appalachian Mountains - 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
    --1 is a kind of range, mountain range, range of mountains, chain, mountain chain, chain of mountains
    --1 is a part of East, eastern United States
    --1 has parts:
     Appalachia; Alleghenies, Allegheny Mountains; Blue Ridge Mountains, Blue Ridge; Catskills, Catskill Mountains; Cumberland Mountains, Cumberland Plateau; Great Smoky Mountains
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