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headwall

headwall

1 8.4
A steep cliff at the top of a small mountain valley
  • noun
  • /ˈhɛdˌwɔl/
  • Specialized
translation icon : cima
  • As they approached the glacier, they could see the steep headwall looming ahead, marking the end of the cirque.
  • schuss the headwall
  • top of the headwall
  • canyon headwall

Examples

  • Later, I learned that the trailhead is three thousand feet higher than Rainbow Bridge, and a full fifteen hundred of those vertical feet are climbed right there, on the headwall of Cliff Canyon.

    Fiction book (1991)
  • In the late afternoon, the path abruptly leveled and began a long gradual turn, a steep drop on one side and a nearly perpendicular headwall on the other.

    Fiction book (1992)
  • The climbers reached the top of the rocky headwall, where the view of the valley below was breathtaking.

  • The hikers paused to catch their breath before attempting to scale the headwall that guarded the entrance to the hidden lake.

Synonyms

cliff
vsheadwall
438 1.0

A high, steep edge of rock or ground often by the sea

is specifically the steep slope at the upper end of a valley or cirque
escarpment
vsheadwall
3 8.2

A long steep slope or cliff that separates higher land from lower land

is the steep slope found at the upper end of a valley or cirque
rimrock
vsheadwall
  • US
1 8.5

A layer of hard rock forming the steep edge of a high flat area or canyon

is the steep slope at the upper end of a valley or glacial cirque
bluff
vsheadwall
7.4

Very steep and high, like the edge of a cliff

is the steep feature at the top of a valley or glacial cirque
scaur
vsheadwall
  • Archaic
9.9

A steep rocky bank beside a river or stream

is the steep slope at the upper end of a valley or cirque

How Steep

cliff
438 1.0
headwall
  • Specialized
1 8.4
slope
101 1.4

Surface Forms

headwall singular
headwalls plural

Morphology

headwall = head + wall (semi-transparent) = head + wall

The components are clear, but the sense is a specialized geomorphological term ('wall' meaning steep slope at a valley head) that may not be obvious to a general learner.

Etymology

Headwall is made of head ('top') and wall ('barrier' or 'face'). So, a headwall is the steep cliff or rock face at the upper end of a valley that looks like a wall at the valley's head.