A weapon is an instrument or device that is designed or intended to be used for the purpose of causing harm, damage, or destruction to people, animals, or objects. Weapons can take many forms, including guns, knives, bombs, missiles, and chemical agents. They are typically used in combat or as a means of self-defense, but can also be used for other purposes such as hunting or sport.
The use of weapons has been a part of human history for thousands of years, and the development of new weapons technology has often been a driving force in military and political conflicts. While weapons can be a necessary means of protecting oneself or one's country, their use can also have devastating consequences, and the international community has worked to limit the proliferation and use of certain types of weapons, such as nuclear and chemical weapons. The possession and use of weapons are often regulated by laws and regulations to ensure public safety and to prevent the misuse of weapons.