An apron is a raised section of ornamental

stonework Stonemasonry or stonecraft is the creation of buildings, structures, and sculpture using stone as the primary material. It is one of the oldest activities and professions in human history. Many of the long-lasting, ancient shelters, temples, m ...

below a

window ledge A window is an opening in a wall, door, roof, or vehicle that allows the exchange of light and may also allow the passage of sound and sometimes air. Modern windows are usually glazed or covered in some other transparent or translucent mate ...

, stone tablet, or

monument A monument is a type of structure that was explicitly created to commemorate a person or event, or which has become relevant to a social group as a part of their remembrance of historic times or cultural heritage, due to its artistic, hist ...

. Aprons were used by Roman engineers to build

Roman bridges The Ancient Rome, ancient Romans were the first civilization to build large, permanent bridges. Early Roman bridges used techniques introduced by Etruscan civilization, Etruscan Immigration, immigrants, but the Romans improved those skills, deve ...

. The main function of apron was to surround the feet of the

piers Piers may refer to: * Pier, a raised structure over a body of water * Pier (architecture), an architectural support * Piers (name), a given name and surname (including lists of people with the name) * Piers baronets, two titles, in the baronetages ...

Notes

References

* Masonry Architectural elements {{Architecturalelement-stub