head wall
noun
a cliff or steep slope rising at one end of a glaciated valley.
Origin of head wall
1First recorded in 1640–1650 for an earlier sense “retaining wall built in front or on top of a structure”; current sense dates from 1790–1800
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Scientific definitions for headwall
headwall
[ hĕd′wôl′ ]
A steep slope or precipice rising at the head of a valley or glacial cirque.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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