Weapon
noun
A container used by the military is probably going to be used as a weapon. After all, that's what the military does... weapons.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
カフェをやめて、新しく武器の輸出のビジネスを始めることにしました。
I have decided to quit the cafe business and start a new business exporting weapons.
私は、このゲームで武器のデザインを担当しています。
I am in charge of designing weapons in this game.
全ての警察官に武器を使う資格があるわけではないというのは本当ですか？
Is it true that not all police officers are qualified to use their weapons?