weapon system - any instrument or instrumentality used in fighting or hunting; "he was licensed to carry a weapon"

bow - a weapon for shooting arrows, composed of a curved piece of resilient wood with a taut cord to propel the arrow

bow and arrow - a weapon consisting of arrows and the bow to shoot them

fire ship - a weapon consisting of a ship carrying explosives that is set adrift to destroy enemy ships

flamethrower - a weapon that squirts ignited fuel for several yards

gun - a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)

instrument - a device that requires skill for proper use

knife - a weapon with a handle and blade with a sharp point

missile - a rocket carrying a warhead of conventional or nuclear explosives; may be ballistic or directed by remote control

pike - medieval weapon consisting of a spearhead attached to a long pole or pikestaff; superseded by the bayonet

projectile, missile - a weapon that is forcibly thrown or projected at a targets but is not self-propelled

slasher - a weapon (a sword or dagger) used for slashing

sling - a simple weapon consisting of a looped strap in which a projectile is whirled and then released

lance, spear, shaft - a long pointed rod used as a tool or weapon

stun baton, stun gun - a weapon designed to disable a victim temporarily by delivering a nonlethal high-voltage electric shock

sword, steel, blade, brand - a cutting or thrusting weapon that has a long metal blade and a hilt with a hand guard

hatchet, tomahawk - weapon consisting of a fighting ax; used by North American Indians

W.M.D., weapon of mass destruction, WMD - a weapon that kills or injures civilian as well as military personnel (nuclear and chemical and biological weapons)

Greek fire - a mixture used by Byzantine Greeks that was often shot at adversaries; catches fire when wetted