weapon

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柯林斯词典

weapon /ˈwɛpən/ (weapons)

1. N-COUNT A weapon is an object such as a gun, a knife, or a missile, which is used to kill or hurt people in a fight or a war. 武器
...nuclear weapons. …核武器。

剑桥词典

He was carrying a concealed weapon.
The mystery was solved when the police discovered the murder weapon.
My umbrella will serve for a weapon.
These are purely defensive weapons, not designed for attack .
The government has authorized the army to sell its surplus weapons.