Noun weapon has 2 senses
  1. weapon, arm, weapon system - any instrument or instrumentality used in fighting or hunting; "he was licensed to carry a weapon"
    --1 is a kind of instrument
    --1 is a part of
     weaponry, arms, implements of war, weapons system, munition
    --1 has particulars:
     bow; bow and arrow; brass knucks, knucks, brass knuckles, knuckles, knuckle duster; fire ship; flamethrower; gun; knife; pike; projectile, missile; slasher; sling; spear, lance, shaft; stun gun, stun baton; sword, blade, brand, steel; tomahawk, hatchet; weapon of mass destruction, WMD, W.M.D.; Greek fire
  2. weapon, artillery - a means of persuading or arguing; "he used all his conversational weapons"
    --2 is a kind of persuasion, suasion
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