Parapet

/pˈæɹəpɪt/

/ˈpɛɹəˌpɛt/

Parapet

a defensive wall or fortification, typically with a low protective wall at the top, built along the perimeter of a building or structure

a low protective wall or railing built along the edge of a roof, balcony, bridge, or other elevated structure to prevent people from falling

Examples

1. Heavy stone parapets give travelers a sense of security in high places.

2. Bronze parapets along the top are inscribed with the names of the victims of the terrorist attacks.

3. I don't put my head above the parapet.

4. The water flows first into calming pools just below the parapets.