noun
beheading and head display
Historical punishment of the Edo period: after beheading, the head was mounted on a pike and displayed in front of the prison as a warning.
打ち首獄門は江戸時代の刑罰の一つだった。
Beheading and head display was one of the punishments in the Edo period.
Compound of 打ち首 (uchikubi, 'beheading') and 獄門 (gokumon, 'prison gate'), referring to the practice of displaying the severed head at the prison gate.