an imaginary line, marked by waterfalls and rapids, where rivers descend abruptly from an upland to a lowland.
(initial capital letters) Eastern U.S. the imaginary line between the Piedmont and the Atlantic coastal plain.
Skiing. the path of natural descent from one point on a slope to another.
fall of the Berlin WallRead more in this article about some frequently asked questions and fun facts related to our definitions.
Origin of fall line
An Americanism dating back to 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for fall line
Great tracts of wilderness separated communities beyond the fall-line of the rivers.Union and Democracy|Allen Johnson
British Dictionary definitions for fall line (1 of 2)
skiing the natural downward course between two points on a slope
the edge of a plateau
British Dictionary definitions for fall line (2 of 2)
a natural junction, running parallel to the E coast of the US, between the hard rocks of the Appalachians and the softer coastal plain, along which rivers form falls and rapids
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Science definitions for fall line
[ fôl ]
A line connecting the waterfalls of nearly parallel rivers that marks a drop in land level.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.