defensive structure   (TTS Sound)

The defensive_structure has 1 Senses.

• defense, defensive structure, defence
• 守, 防衛, ディフェンス, 守備, 警備, 防御, 防禦, 弁疏, 防備, 守り
• a structure used to defend against attack; "the artillery battered down the defenses"
• 攻撃に対する防衛用に用いられる構造