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weapon

American  
[wep-uhn] / ˈwɛp ən /

noun

  1. any instrument or device for use in attack or defense in combat, fighting, or war, as a sword, rifle, or cannon.

  2. anything used against an opponent, adversary, or victim.

    the deadly weapon of satire.

  3. Zoology. any part or organ serving for attack or defense, as claws, horns, teeth, or stings.

verb (used with object)

  1. to supply or equip with a weapon or weapons.

    to weapon aircraft with heat-seeking missiles.
weapon British  
/ ˈwɛpən /

noun

  1. an object or instrument used in fighting

  2. anything that serves to outwit or get the better of an opponent

    his power of speech was his best weapon

  3. any part of an animal that is used to defend itself, to attack prey, etc, such as claws, teeth, horns, or a sting

  4. a slang word for penis

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • outweaponed adjective
  • superweapon noun
  • unweaponed adjective
  • weaponed adjective
  • weaponless adjective

Etymology

Origin of weapon

First recorded before 900; Middle English wepen, Old English wǣpen; cognate with German Waffe, Old Norse vāpn, Gothic wēpna (plural)

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.