1. mountain man a man who lives on the frontier
  2. mountain mint any of a number of perennial herbs of the genus Pycnanthemum
  3. mountain chain a series of hills or mountains
  4. mountain lion large American feline resembling a lion
  5. mountain pine tall pine of western North America with stout blue-green needles; bark is grey-brown with rectangular plates when mature
  6. mountain ebony small East Indian tree having orchid-like flowers and hard dark wood
  7. mountain anemone silky-foliaged herb of the Rocky Mountains with bluish-white flowers
  8. Montanan a native or resident of Montana
  9. mountain range a series of hills or mountains
  10. mountain sumac common nonpoisonous shrub of eastern North America with compound leaves and green paniculate flowers followed by red berries
  11. mountain maple small shrubby maple of eastern North America
  12. antinomian relating to or influenced by antinomianism
  13. mountain a land mass that projects well above its surroundings
  14. mountain oak tall timber tree with hard heavy pinkish or light brown wood
  15. mountain fern common European mountain fern having fragrant lemon or balsam scented fronds
  16. mountain tent a lightweight tent with a floor; flaps close with a zipper
  17. containment the act of keeping something from spreading
  18. mountaineering the activity of climbing a mountain
  19. mountain pass the location in a range of mountains of a geological formation that is lower than the surrounding peaks
  20. mountainous containing many mountains