Bridgehead
01
an area in hostile territory captured and secured as a foothold for further troops and supplies
例子
The army established a bridgehead on the far side of the river.
Reinforcements were sent to the bridgehead to strengthen its defenses.
02
a defensive position at the end of a bridge closest to the enemy
例子
The defenders held the bridgehead to prevent enemy forces from crossing.
Cannons were positioned at the bridgehead for maximum coverage.
