打ち首 うちくび Also written 打首, 討首 Meanings Noun decapitation; beheading Kanji 打 hit. Read as うち. 首 neck. Read as くび. Common phrases 打ち首になる Words containing 打ち首 打ち首獄門 (うちくびごくもん) beheading followed by mounting of the head on a pike in front of the prison (Edo period) Jinuma: Japanese Dictionary · Word lists