castellations
/ˌkæstəˈleɪʃənz/plural noun
1- defensive or decorative parapets with regularly spaced notches; battlements雉堞。
1.1
castellation
mass noun the use or building of such parapets使用雉堞, 建造雉堞。
词源
early 19th cent.: based on medieval Latin castellare 'to build castles', from castellum （see CASTLE）.