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[wep-uh n] /ˈwɛp ən/
any instrument or device for use in attack or defense in combat, fighting, or war, as a sword, rifle, or cannon.
anything used against an opponent, adversary, or victim:
the deadly weapon of satire.
Zoology. any part or organ serving for attack or defense, as claws, horns, teeth, or stings.
verb (used with object)
to supply or equip with a weapon or weapons:
to weapon aircraft with heat-seeking missiles.
Origin of weapon
before 900; Middle English wepen, Old English wǣpen; cognate with German Waffe, Old Norse vāpn, Gothic wēpna (plural)
Related forms
weaponed, adjective
weaponless, adjective
outweaponed, adjective
superweapon, noun
unweaponed, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for weapon
Contemporary Examples
Historical Examples
  • Robert hurried upstairs, and quickly returned with the weapon.

    Brave and Bold Horatio Alger
  • It is a weapon our adversaries in today's world do not have.

  • Aggie showed no trace of emotion as her glance ran over the weapon.

    Within the Law Marvin Dana
  • Now, he again brought out the weapon that had done Eddie Griggs to death.

    Within the Law Marvin Dana
  • He was armed with a stone hammer, which is no sort of weapon for a narrow passage.

    The Trail Book Mary Austin
British Dictionary definitions for weapon


an object or instrument used in fighting
anything that serves to outwit or get the better of an opponent: his power of speech was his best weapon
any part of an animal that is used to defend itself, to attack prey, etc, such as claws, teeth, horns, or a sting
a slang word for penis
Derived Forms
weaponed, adjective
weaponless, adjective
Word Origin
Old English wǣpen; related to Old Norse vápn, Old Frisian wēpen, Old High German wāffan
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
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Word Origin and History for weapon

Old English wæpen "instrument of fighting and defense," from Proto-Germanic *wæpnan (cf. Old Saxon wapan, Old Norse vapn, Danish vaaben, Old Frisian wepin, Middle Dutch wapen, Old High German waffen, German wafen (neuter), waffe (fem.)), from *webno-m, of unknown origin with no cognates outside Germanic.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for weapon



The penis (1000+)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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