Meanings
nounfall line (plural fall lines)
plural fall lines
- geographyA geomorphologic unconformity marking a boundary between an upland region and a plane; sometimes marked by a series of waterfalls on rivers that cross it.
- hobbiesThe imaginary line downhill that something falling downhill would naturally follow.
Translations
German Fall Line
- Fall Linegeomorphology: A line marking a boundary between an upland region and a plane
Cite this entry
APA
fall line. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/fall%20line
MLA
“fall line.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fall%20line. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “fall line,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/fall%20line.
Source: fall line on Wiktionary, CC BY-SA 4.0.