Noun allegheny mountains has 1 sense
  1. Alleghenies, Allegheny Mountains - the western part of the Appalachian Mountains; extending from northern Pennsylvania to southwestern Virginia
    --1 is a kind of range, mountain range, range of mountains, chain, mountain chain, chain of mountains
    --1 is a part of
     Appalachians, Appalachian Mountains; East, eastern United States
,
TOP