from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An instrument of attack or defense in combat, as a gun, missile, or sword.
  • n. Zoology A part or organ, such as a claw or stinger, used by an animal in attack or defense.
  • n. A means used to defend against or defeat another: Logic was her weapon.
  • transitive v. To supply with weapons or a weapon; arm.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An instrument of attack or defense in combat or hunting, e.g. most guns, missiles, or swords.
  • n. An instrument or other means of harming or exerting control over another.

from the GNU version of the Collaborative International Dictionary of English

  • n. An instrument of offensive of defensive combat; something to fight with; anything used, or designed to be used, in destroying, defeating, or injuring an enemy, as a gun, a sword, etc.
  • n. Fig.: The means or instrument with which one contends against another.
  • n. A thorn, prickle, or sting with which many plants are furnished.

from The Century Dictionary and Cyclopedia

  • To arm with weapons.
  • n. Any instrument of offense; anything used, or designed to be used, in attacking an enemy, as a sword, a dagger, a club, a rifle, or a cannon.
  • n.
  • n. Any object, particular, or instrumentality that may be of service in a contest or struggle, or in resisting adverse circumstances, whether for offense or defense; anything that may figuratively be classed among arms.
  • n. In zoology, any part or organ of the body which is or may be used as a means of attack or defense, as horns, hoofs, claws, spurs, stings, spines, teeth, electric organs, etc.; an arm or armature.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a means of persuading or arguing
  • n. any instrument or instrumentality used in fighting or hunting


Middle English wepen, from Old English wǣpen.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Middle English wepen, from Old English wǣpen ("weapon, sword, arms, penis"), from Proto-Germanic *wēpnan (“weapon”), of unknown origin, possibly from Proto-Indo-European *wēbnom. Cognate with Scots wapyn, wappen ("weapon"), West Frisian wapen ("weapon"), Dutch wapen ("weapon"), Low German wapen ("weapon"), German Waffe ("weapon"), Swedish vapen ("weapon"), Icelandic vopn ("weapon"). (Wiktionary)


Wordnik is becoming a not-for-profit! Read our announcement here.


Log in or sign up to get involved in the conversation. It's quick and easy.

  • That's weirdnet, Arkracer.

    September 14, 2008

  • That is an insane definition.

    September 14, 2008

  • My friend uses this as a badass exclamation e.g. "Dude that band was weapon!" Try it sometime - it's very satisfying.

    October 4, 2007