castellations
noun/ˌkæstəˈleɪʃnz/
/ˌkæstəˈleɪʃnz/
[plural]- the top edge of a castle wall that has regular spaces along it
城堡雉堞 Word Originearly 19th cent.: based on medieval Latin castellare ‘to build castles’, from castellum, diminutive of castrum ‘fort’.