Definition & Meaning of "wing wall"

What is a "wing wall"?

A wing wall is a short wall that extends from the main structure of a building, usually at an angle, to provide support, define space, or enhance the design. Wing walls are commonly found at the ends of bridges, retaining walls, or entrances to buildings. They help direct water away from the foundation, stabilize structures, and create a visual transition between different areas. In architectural design, wing walls can also serve as decorative elements, adding depth and interest to the overall appearance of a building while contributing to its functionality and stability.