Translation

包囲する / 攻め囲む / 取り囲む

Meaning

Besiege means to surround a city, building, or place with armed forces so people inside cannot easily leave or receive help. It is the verb form related to a siege.

Examples

• 敵軍はその港町を包囲しました。
  Enemy forces besieged the port city.
• その城は何か月も包囲されました。
  The castle was besieged for months.