fall lines

A form of fall line — 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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Meanings

noun
  1. pluralplural of fall line
Cite this entry
APA

fall lines. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/fall%20lines

MLA

“fall lines.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/fall%20lines. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “fall lines,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/fall%20lines.

Source: fall lines on Wiktionary, CC BY-SA 4.0.