殺人刀 (さつじんとう) Japanese meaning | KotomoraMeanings
1
noun
killing sword; blade; steel
A sword used for killing; often carries a literary or dramatic tone, emphasizing the weapon's deadly purpose rather than its physical description.
その刀はまさに殺人刀と呼ぶにふさわしい切れ味だった。
That sword had a sharpness truly worthy of being called a killing blade.