A sally port is a small, secure entryway or passage in a fortification that allows soldiers to exit and engage an enemy while maintaining a level of protection. Typically located in a castle or military fort, a sally port is designed to be discreet and often features a controlled opening, making it easier for defenders to launch surprise attacks. This entryway usually connects to the outer defenses, allowing troops to move quickly in and out without exposing the main gate. Sally ports are essential for tactical maneuvers during sieges, enabling defenders to counterattack or scout the surrounding area while minimizing risk.

英語での「sally port」の定義と意味

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