1. mountain fever caused by rickettsial bacteria and transmitted by wood ticks
  2. mountain beaver bulky nocturnal burrowing rodent of uplands of the Pacific coast of North America; the most primitive living rodent
  3. mountain avens creeping evergreen shrub with large white flowers
  4. mountain fern common European mountain fern having fragrant lemon or balsam scented fronds
  5. mountain rice valuable forage grass of dry upland areas and plains of western North America to northern Mexico
  6. mountain rose European alpine rose with crimson flowers
  7. mountaineer someone who climbs mountains
  8. mountain fetterbush ornamental evergreen shrub of southeastern United States having small white bell-shaped flowers
  9. mountain phlox low tufted perennial phlox with needlelike evergreen leaves and pink or white flowers; native to United States and widely cultivated as a ground cover
  10. mountain devil erect bushy shrub of eastern Australia having terminal clusters of red flowers yielding much nectar
  11. mountain alder small shrubby maple of eastern North America
  12. mountain zebra narrow-striped nearly extinct zebra of southern Africa
  13. mountain male fern a fern of the genus Dryopteris
  14. maintenance activity involved in keeping something in good working order
  15. mountainous containing many mountains
  16. mountain pass the location in a range of mountains of a geological formation that is lower than the surrounding peaks
  17. mountain laurel a North American evergreen shrub having glossy leaves and white or rose-colored flowers
  18. mountain watercress mat-forming perennial found in cold springs of the eastern United States
  19. mountain sickness nausea and shortness of breath experienced by mountain climbers above ten thousand feet
  20. fountain grass tall perennial ornamental grass with long nodding flower plumes of tropical Africa and Asia