Definition of "weapon" in English

noun

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

   • The club that is now mostly used for golf was once a common weapon.

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

   • Money is the main weapon of modern oligarchs.

3. (informal, humorous) A tool of any kind.

   • Choose your weapon.

4. (UK, Ireland, slang, derogatory) An idiot, an oaf, a fool, a tool; a contemptible or incompetent person.

5. (Australia, slang) A very skilled, competent, or capable person or thing worthy of awe.

6. (rare, slang) The human genitals.

verb

1. (transitive) To equip with a weapon; to arm.