Retaining wall

/ɹɪtˈeɪnɪŋ wˈɔːl/

Retaining wall

a structure designed to hold back soil or other materials and prevent erosion or the collapse of land

Examples

1. Sometimes retaining walls are 100 feet high.

2. Eventually, a landslip took down a large retaining wall.

3. The hollow was supported laterally by two large retaining walls, which were added to increase the total capacity of the theatre.

4. The retaining walls and drainage system had been poorly designed, and maintenance was pretty much non-existent.