fall line en · NOUN
Pronunciation
- (US) audio
Meanings
- 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.
- The imaginary line downhill that something falling downhill would naturally follow.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| fall lines | Number=Plur | lexicographic |
Translations (1)
de Fall Line (geomorphology: A line marking a boundary between an upland region and a plane)