無む血けつ開かい城じょう

noun, noun or participle which takes 'suru', intransitive verb

bloodless surrender of a castle; capitulation without resistance

Historical term for surrendering a castle or stronghold without bloodshed, often used in the context of the Meiji Restoration (e.g., the surrender of Edo Castle).

• 江え戸ど城じょうの無む血けつ開かい城じょうは、明めい治じ維い新しんの重じゅう要ような出で来き事ごとだった。

  The bloodless surrender of Edo Castle was an important event of the Meiji Restoration.

• 交こう渉しょうの結けっ果か、城しろは無む血けつ開かい城じょうされた。

  As a result of negotiations, the castle was surrendered without bloodshed.