the.com/ridge line

The spine of a mountain, where two slopes argue and neither wins.

means The continuous line or crest connecting the highest points along a mountain range or hill, where the land rises to a peak and slopes fall away on both sides.

from A straightforward compound: 'ridge' comes from Old English 'hrycg,' meaning the spine or back of a person or animal (related to German 'Rücken'), carried over to describe the backbone-like crest of land; 'line' arrived via Old French 'ligne' from Latin 'linea,' a string or thread. Together they name exactly what they describe — the thread-thin backbone traced along the top of raised terrain.

navigation use
Hikers follow ridges to avoid valley bushwhacking
military term
High ground that decides battles, literally
map tell
Contour lines point upslope in a V shape
fire behavior
Wildfires accelerate violently when they crest one
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