crenellated         
adjective  architecture specialized mainly UK (US usually crenelated) uk/ˈkren.əl.eɪ.tɪd/ us/ˈkren.əl.eɪ.t̬ɪd/
 有城垛的,有雉堞的
having battlements (= castle walls with regular spaces along the top)
 crenellations
noun [ plural ] (US usually crenelations) uk/ˌkren.əlˈeɪ.ʃənz/ us/ˌkren.əlˈeɪ.ʃənz/
 雉堞,城垛;装有枪眼的防御墙
→  battlements