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Noun: weapon  we-pun
  1. Any instrument or instrumentality used in fighting or hunting
    "he was licensed to carry a weapon";
    - arm, weapon system
  2. A means of persuading or arguing
    "he used all his conversational weapons";
    - artillery

Derived forms: weapons

Type of: instrument, persuasion, suasion

Part of: arms, implements of war, munition, weaponry, weapons system

Encyclopedia: Weapon