headwall
Americannoun
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Physical Geography. a steep slope at the back of a cirque or the head of a valley.
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Civil Engineering. a supporting or protective wall, such as one built around the opening of a culvert or tunnel.
Other Word Forms
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Worse, where the trail passes beneath the bowl, the steep headwall can shed ice and boulders when it is warmed by the afternoon sun.
From Los Angeles Times • Feb. 2, 2023
But a hike up the Kinso River bags you four of its finest unharnessed falls culminating in Søtefossen, a giant double leap down the headwall of the Husedalen.
From The Guardian • Aug. 1, 2019
Groundwater seepage can be seen in Box Canyon in Idaho, where approximately 10 cubic meters per second of seepage emanates from its vertical headwall.
From Textbooks • Sep. 6, 2018
With a bit of exploring, waterfalls sprouting from the headwall can be found.
From Washington Times • Aug. 8, 2015
The headwall to the culvert should not be a monument, but should be no higher than needed to prevent vehicles from leaving the roadway at the culvert.
From American Rural Highways by Agg, T. R. (Thomas Radford)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
