橋頭堡

(1)a defensive post at the end of a bridge nearest to the enemy

(2)敵に一番近い橋梁の端に作る防御用とりで

(3)an area in hostile territory that has been captured and is held awaiting further troops and supplies; "an attempt to secure a bridgehead behind enemy lines"; "the only foothold left for British troops in Europe was Gibraltar"

(4)一層の軍と供給を待ちながら捕捉されて、保持される敵地の領域

(5)a bridgehead on the enemy's shoreline seized by an amphibious operation; "the Germans were desperately trying to contain the Anzio beachhead"

(6)水陸両生操作で差押えられた敵の海岸線の橋頭堡

(1)