battlements
noun /ˈbætlmənts/
/ˈbætlmənts/
[plural]- enlarge imagea low wall around the top of a castle with spaces in it that people inside could shoot through
城垛;雉堞 Topics Historyc2词源late Middle English: from Old French bataillier ‘fortify with movable defence turrets’, possibly related to battle + -ment.