What is a "Reentrant"?
Apart from
a few geologists, only orienteers regularly use the English word "re-entrant"
(or reentrant) to describe a landform.
A reentrant appears on the map as a U or V shape in the
contour lines, pointing back into a hillside rather than sticking out
of the hill (as would a spur). So a reentrant is a small valley, the center
of which would collect water and funnel it downhill (if it were raining
hard). This portion of a map includes several reentrants, three of which
are circled. The westernmost is a small, v-shaped reentrant, while the
two eastern examples are broad and somewhat shallow.
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