godan verb (-su), transitive verb
kill by cutting; slay with a blade
Used for killing a person or animal with a sword, knife, or similar edged weapon. Often appears in historical or dramatic contexts.
侍が敵を斬り殺した。
The samurai slew his enemy with a sword.
犯人はナイフで被害者を切り殺した。
The culprit killed the victim with a knife.