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[ahr-muh-muh nt]
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  1. the arms and equipment with which a military unit or military apparatus is supplied.
  2. a land, sea, or air force equipped for war.
  3. armor(def 5).
  4. Usually armaments. military strength collectively: the armaments race; a country without armaments.
  5. the process of equipping or arming for war.
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Origin of armament

1690–1700; < Latin armāmenta fittings, equivalent to armā(re) to fit out (see arm2) + -menta (plural) -ment
Related formsnon·ar·ma·ment, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for armament


  1. (often plural) the weapon equipment of a military vehicle, ship, or aircraft
  2. a military force raised and armed ready for war
  3. preparation for war involving the production of equipment and arms
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Word Origin

C17: from Latin armāmenta utensils, from armāre to equip
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

Word Origin and History for armament


c.1600, "munitions of war" (especially the great guns on board a man-of-war), also "naval force equipped for war" (1690s), from Latin armamentum "implement," from Latin armare "to arm, furnish with weapons" from arma (see arm (n.2)). Meaning "process of equipping for war" is from 1813.

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Online Etymology Dictionary, © 2010 Douglas Harper