parapet
US /ˈper.ə.pet/
UK /ˈper.ə.pet/
1.
a low protective wall along the edge of a roof, bridge, or balcony
:
•
The castle had a stone parapet where archers could stand.
•
She leaned against the bridge's parapet, gazing at the river below.
a low protective wall along the edge of a roof, bridge, or balcony