noun weap·on \ˈwe-pən\

: something (such as a gun, knife, club, or bomb) that is used for fighting or attacking someone or for defending yourself when someone is attacking you

: something (such as a skill, idea, or tool) that is used to win a contest or achieve something

Full Definition of WEAPON

:  something (as a club, knife, or gun) used to injure, defeat, or destroy
:  a means of contending against another

Examples of WEAPON

  1. assault with a deadly weapon
  2. The pitcher's slider is his most effective weapon.
  3. a new weapon in the fight against cancer
  4. The mayor's campaign unleashed its secret weapon.

Origin of WEAPON

Middle English wepen, from Old English ̄pen; akin to Old High German wāffan weapon, Old Norse vāpn
First Known Use: before 12th century

Other Weapons and Explosives Terms

automatic, carbine, cudgel, muzzle, rapier



Definition of WEAPON

transitive verb
:  arm

First Known Use of WEAPON

before 12th century
WEAPON Defined for Kids


noun weap·on \ˈwe-pən\

Definition of WEAPON for Kids

:  something (as a gun, knife, or club) to fight with


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