Piling and Retaining wall

Piling noun - A column of wood or steel or concrete that is driven into the ground to provide support for a structure.

Retaining wall and piling are semantically related In some cases you can replace phrase "Retaining wall" with "Piling", this terms are similar.

Nearby Words: pile, piled

Retaining wall noun - A wall that is built to resist lateral pressure (especially a wall built to prevent the advance of a mass of earth).

Piling and retaining wall are semantically related in holding wall topic. You can use "Piling" instead a noun phrase "Retaining wall".