noun
sword tester (Edo period); executioner
Historical term for an official who tested swords on condemned criminals or corpses during the Edo period, sometimes also acting as an executioner.
江戸時代、御様御用は罪人の体で刀の切れ味を試した。
In the Edo period, the sword tester tested the sharpness of swords on the bodies of criminals.
御様御用は、刀剣の性能を確かめる役目も担っていた。
The sword tester also had the role of verifying the performance of swords.