Synonyms
- en barbican (n, artifact) ➜
- en bastion (n, artifact) ➜
- en blockhouse (n, artifact) ➜
- en defensive structure (n, artifact) ➜
- en fortification (n, artifact) ➜
- en fortress (n, artifact) ➜
- en pillbox (n, artifact) ➜
- en redoubt (n, artifact) ➜
- en bastion (n, group) ➜