1. Use your own sword to cut your stomach and die. 2. One of the punishments imposed on samurai during the Edo period. The lightest of the death penalty. In front of the autopsy, a kaishakunin shot down his neck from behind as he cut his belly. Japan calls Seppuku, hara-kiri, harikari.
Ritual suicide by self-disembowelment on a sword. A form of ritual suicide by disembowelment using a blade, practiced by Japanese samurai, especially to rid oneself of shame, as a means of protest or, formerly, as a method of capital punishment. Japanese says Seppuku.