breastwork Synonyms

parapet arch dam ravelin rampart railing presidio parados palisade outwork mound merlon mantlet mantelet machicolation loophole redan redoubt ramparts sangar guardrail breast augmentation crenellation bamboo curtain wall vauntmure vallum vallation tenaille support stronghold stockade guard gabion castle bulwark battlement bastion bartizan barrier barricade barbican barbacan banquette banister bank balustrade balistraria cheval-de-frise circumvallation fortress