Definition of fall line in English:

fall line

noun

  • 1Skiing
    The route leading straight down any particular part of a slope.

    • ‘I pull out of the fall line, lean on my poles, and turn the lead over to Chris, who's strong and can break trail the rest of the way to our campsite.’
    • ‘If there's enough room, and nobody is close on your heels, traverse the slope by skating across the fall line, spending as little time as possible with your wheels pointing directly downhill.’
    • ‘Then he runs a dozer up and down the slope, perpendicular to the fall line.’
    • ‘We practise sliding downhill with skis at 90 degrees to the fall line, edges biting deep.’
    • ‘On a hill that you are comfortable on, place some markers directly down the fall line.’
  • 2A narrow zone that marks the geological boundary between an upland region and a plain, distinguished by the occurrence of falls and rapids where rivers and streams cross it.

    • ‘Instead of relying on ice axes, they studied fall lines, plucking smooth routes from seemingly impassable rock faces.’
    • ‘Wolff and Ware found similar regeneration when examining vegetation along the fall line in Virginia.’
    • ‘The appearance of goods made above the fall line - where the rivers from the hinterland cascade to the coastal plain - was not wholly governed by trade with or emulation of coastal merchants.’
    1. 2.1(in the US) the zone demarcating the Piedmont from the Atlantic coastal plain.
      • ‘The Fall Line is a low east-facing cliff paralleling the Atlantic coastline from New Jersey to the Carolinas.’
      • ‘On the Piedmont side of the Fall Line and about ten miles south of downtown Richmond is Pocahontas State Park.’
      • ‘Hatchet Creek arises in the Ashland Plateau of the Piedmont Uplands and flows southwesterly off the Fall Line terminating into Lake Mitehell of the Coosa River.’
      • ‘Transporting Virginia products to and importing products from Europe, the Caribbean, and South America required ships to stop at the waterfalls on the Fall Line and unload into wagons (and later trains) for travel inland.’

Pronunciation:

fall line

/ˈfôl ˌlīn/