a wall for holding in place a mass of earth or the like, as at the edge of a terrace or excavation.
Origin of retaining wall
First recorded in 1830–40
Also called breast wall.
Definition for breast wall (2 of 2)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for breast wall
The breast-wall of the whole to be on a line, and to be eighteen inches above ground.The different modes of cultivating the pine-apple|John Claudius Loudon
British Dictionary definitions for breast wall
a wall constructed to hold back earth, loose rock, etcAlso called: revetment
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012