Fall-line definitions

The steepest possible line of descent from a given point on a slope.
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A line connecting the waterfalls of upland rivers before they reach a common coastal plain, often marking the limit of upstream navigation and indicating a zone of potential water power for industrial purposes.
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The geographical line indicating the beginning of a plateau, usually marked by many waterfalls and rapids.
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The line of direct descent down a hill.
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The line east of the Appalachian Mountains, marking the end of the coastal plains and the beginning of the Piedmont Plateau.
proper name
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A line connecting the waterfalls of nearly parallel rivers that marks a drop in land level.
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(geomorphology) A geomorphologic unconformity marking a boundary between an upland region and a plane; sometimes marked by a series of waterfalls on rivers that cross it.
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(snowboarding) The imaginary line downhill that something falling downhill would naturally follow.
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Sentence Examples

  • along the Fall Line to from 850 to 900 ft.

  • m., known as South Georgia, extends northward to the " fall-line " passing from Augusta, through Milledgeville and Macon, to Columbus.

  • The largest and southernmost, a broad belt extending from the " fall-line " to a line passing through Clarkesville, Habersham county, Cartersville, Bartow county and Buchanan, Haralson county (approximately), is known as the Piedmont Belt or Plateau, being a region of faint relief eroded on highly complicated crystalline rocks.

  • Crossing the state along the lower edge of the Fall Line is a belt heavy with clay, but so impervious to water as to be of little value for agricultural purposes.

  • The part of Maryland within the Piedmont Plateau extends west from the Fall Line to the base of Catoctin Mountain, or the west border of Frederick county, and has an area of about 2500 sq.

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Words near fall-line in the Dictionary