| Noun | 1. | weapon - 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 brass knuckles, brass knucks, knuckle duster, knuckles, knucks - a small metal weapon; worn over the knuckles on the back of the hand 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 light arm - a rifle or pistol 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or directed by remote control pike - medieval weapon consisting of a spearhead attached to a long pole or pikestaff; superseded by the bayonet projectile, missile - a weapon that is forcibly thrown or projected at a targets but is not self-propelled slasher - a weapon (a sword or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 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 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 |
| 2. | weapon - a means of persuading or arguing; "he used all his conversational weapons"persuasion, suasion - the act of persuading (or attempting to persuade); communication intended to induce belief or action |