A parapet is a wall-like barrier at the edge of a roof or structure. It may serve to prevent unwanted falls over the edge or it may be a defensive, constructional or stylistic feature. Building parapets The word comes ultimately from the Italian parapetto (parare = to cover/defend and petto =breast). The German term Brustwehr has the same significance. Parapets may be plain, embattled, perforated or panelled, which are not mutually exclusive terms. Plain parapets are upward extenions of the wall… (More on Parapet)