Bridgehead
01
橋頭堡, ブリッジヘッド
an area in hostile territory captured and secured as a foothold for further troops and supplies
例
The army established a bridgehead on the far side of the river.
軍隊は川の向こう側に橋頭堡を築いた。
02
橋頭堡, 橋の防御陣地
a defensive position at the end of a bridge closest to the enemy
例
The defenders held the bridgehead to prevent enemy forces from crossing.
防衛側は敵軍の渡河を防ぐために 橋頭堡 を守った。
