殺さつ人じん兵へい器き

noun

lethal weapon; deadly device

Refers to any weapon or device designed or capable of killing people. Can be used literally for military hardware or figuratively for something extremely dangerous.

• その国くには新あらたな殺さつ人じん兵へい器きを開かい発はつしていると報ほうじられた。

  It was reported that the country is developing a new lethal weapon.

• このナイフはもはや道どう具ぐではなく、殺さつ人じん兵へい器きだ。

  This knife is no longer a tool; it's a deadly weapon.