retaining wall

American  

noun

1. a wall for holding in place a mass of earth or the like, as at the edge of a terrace or excavation.

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retaining wall British  

noun

1. Also called: revetment.  a wall constructed to hold back earth, loose rock, etc

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Etymology

Origin of retaining wall

First recorded in 1830–40

Example Sentences

They spotted some hose dangling over a retaining wall covered in ivy.

From Los Angeles Times • Mar. 11, 2026

The bridge was closed on 20 September after extensive cracking was discovered in a retaining wall creating "an unacceptable risk to public safety", the DfI said.

From BBC • Oct. 27, 2025

They ran, some barefoot in the mud, up a steep hill beyond the property’s retaining wall.

From Salon • Jul. 17, 2025

In Cradley Heath, Dunedin said the process of connecting street lights had been affected by one of them being "directly in front of the retaining wall that has failed" during the landslip.

From BBC • May 7, 2025

Closer, within the boundaries of the balustrade, were the rose gardens and, nearer still, the Triton fountain, and standing by the basin’s retaining wall was her sister, and right before her was Robbie Turner.

From "Atonement" by Ian McEwan