鎖さ港こう

noun, noun or participle which takes 'suru'

closure of ports; exclusion of foreign ships

Refers to the policy or act of closing a country's ports to foreign vessels, often associated with historical isolationist policies like sakoku.

• 幕ばく府ふは鎖さ港こう政せい策さくを取とった。

  The shogunate adopted a policy of port closure.

• その国くには外がい国こく船せんを鎖さ港こうした。

  That country closed its ports to foreign ships.