parapet
/ˈpærəpɪt/noun
1- a low protective wall along the edge of a roof, bridge, or balcony（屋顶、桥梁、露台边上的）低矮挡墙, 女墙。
1.1
- a protective wall or earth defence along the top of a trench or other place of concealment for troops（战壕或掩体的）胸墙。
派生词
parapeted
adjective词源
late 16th cent.: from French, or from Italian parapetto 'breast-high wall', from para- 'protecting' + petto 'breast' （from Latin pectus）.