fall line

English dictionary entry

Meanings

noun
  1. 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.
  2. The imaginary line downhill that something falling downhill would naturally follow.

Pronunciation

LL-Q1860 (eng)-Flame, not lame-fall line.wav

Word forms

fall line fall lines
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