| parapet(noun, support, rock, defense, barricade) |
| rampart(noun, fortification, stronghold, wall, embankment) |
| bastion(noun, support, place, defense, fortification) |
| bulwark(noun, support, rock, defense, barricade) |
| barricade(noun, support, keep, defense, elevation) |
| battlement(noun, support, keep, defense, barricade) |
| fortification(noun, support, rock, defense, cell) |
| banquette(noun, defense) |
| barbican(noun, defense, fortification, cell, stronghold) |
| wall(noun, support, keep, defense, barricade) |
| curtain |
| earthwork(noun, support, keep, defense, fortification) |
| embankment(noun, guard, fortification, wall, bulwark) |
| ravelin |
| redan |
| redoubt(noun, defense, fortification, cell, stronghold) |
| barrier(noun, support, keep, defense, barricade) |
| defense(noun, support, rock, barricade, wall) |
| fence(noun, guard, elevation, fortification, wall) |
| guard(noun, fortification, wall, embankment, bulwark) |