来自Proto-Germanic*waepan-,武器，可能来自PIE*weip的鼻音形式，弯，转，挥舞，词源同vibrate,wipe。引申词义挥舞武器，刀剑等，最后用做武器。

1. They've stooped to using any and every weapon at their disposal.

他们已经无耻到把能用的武器都用上了。

2. The police nicked me for carrying an offensive weapon.

警察以携带攻击性武器为由逮捕了我。

3. The report outlined possible uses for the new weapon.

该报告概述了这种新式武器的可能用途。

4. Lewis was tried for unlawfully and dangerously discharging a weapon.

刘易斯因非法和不安全的开枪而受到了审判。

5. Enriched uranium is a key component of a nuclear weapon.

浓缩铀是核武器的关键组成部分。