What is the meaning of Weapon?

An instrument of attack or defense in combat or hunting, e.g. most guns, missiles, or swords.

An instrument or other means of harming or exerting control over another.

A tool of any kind.

An idiot, an oaf, a fool, a tool; a contemptible or incompetent person.

A very skilled, competent, or capable person or thing worthy of awe.

 The human genitals.

To equip with a weapon; to arm.

alternative form of wepen (“weapon”)

Source: wiktionary.org