weapon - Dictionary definition and pronunciation - Yahoo! Education
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weap·on  audio  (wpn) KEY 

NOUN:
  1. An instrument of attack or defense in combat, as a gun, missile, or sword.
  2. Zoology A part or organ, such as a claw or stinger, used by an animal in attack or defense.
  3. A means used to defend against or defeat another: Logic was her weapon.
TRANSITIVE VERB:
weap·oned, weap·on·ing, weap·ons
To supply with weapons or a weapon; arm.
ETYMOLOGY:
Middle English wepen, from Old English wpen


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