Weapon

"Weaponry" redirects here. For other uses, see Weaponry (disambiguation).

"Weapons" redirects here. For the horror film, see Weapons (2025 film).

For other uses, see Weapon (disambiguation).

Selection of weapons and replicas collected by security officers at Manchester Airport in 2013

A weapon, arm, or armament is any implement or tool that is used to deter, threaten, inflict physical damage, harm, or kill. Weapons are used to increase the efficacy and efficiency of activities such as hunting, crime (e.g., murder), law enforcement, self-defense, warfare, or suicide. In a broader context, weapons may be construed to include anything used to gain a tactical, strategic, material, or mental advantage over an adversary or enemy target.

While ordinary objects such as rocks and bottles can be used as weapons, many objects are expressly designed for the purpose; these range from simple implements such as clubs and swords to complicated modern firearms, tanks, artillery,