ar·​ma·​ment | \ ˈär-mə-mənt How to pronounce armament (audio) also ˈärm-mənt \

Definition of armament

1 : a military or naval force
2a : the aggregate of a nation's military strength
b : weapons, arms
3 : the process of preparing for war

Examples of armament in a Sentence

The country's armament will take years. a small nation that is determined to have adequate armaments
Recent Examples on the Web The Navy back in the late 1990s designed the LCSs with minimal armament—just a 57-millimeter gun, short-range self-defense missiles, an MH-60 helicopter and an MQ-8 drone. David Axe, Forbes, 25 Oct. 2021 Then the system opens the missile doors under the fuselage and launches the armament at the exact instant when a kill is assured. Thomas E. Stimson, Popular Mechanics, 15 July 2021 Special radar equipment has been perfected to allow the B-58 bombardier to release his armament with acceptable accuracy even while traveling at possibly 1000 miles per hour some 10 miles above the earth. Thomas E. Stimson, Popular Mechanics, 15 July 2021 Arguably the deepest and most talented football team of the Bill Clark era couldn’t possibly have another advantage on standby but the special teams unit is an armament that could keep UAB in control of any game. Evan Dudley, al, 2 Aug. 2021 Up to 11,000 pounds of additional armament can be carried on under-wing pylons-extra missiles, bombs, napalm, special weaponry—whatever is required for the mission. Sheldon M. Gallager, Popular Mechanics, 11 July 2021 The Apache helicopter’s primary armament is the AGM-114 Hellfire, whose range hasn’t increased much since its development in the 1980s. Kyle Mizokami, Popular Mechanics, 24 June 2021 To be cheap, the Navy plans to build the Light Amphibious Warfare vessels to commercial standards, with thinner hulls, fewer flooding and fire countermeasures and practically no armament beside a 30-millimeter gun. David Axe, Forbes, 23 June 2021 As the rest of the fleet doubles down on its heaviest weaponry, the LCSs’ light armament dooms them. David Axe, Forbes, 20 May 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'armament.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of armament

1632, in the meaning defined at sense 1

History and Etymology for armament

probably borrowed from French armement "action of arming, equipping of an armed force" (from armer "to arm entry 2" + -ment -ment), reshaped after Latin armāmenta (neuter plural) "sailing gear of a ship, equipment, implements," from armāre "to arm entry 2, equip" + -menta, plural of -mentum -ment

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The first known use of armament was in 1632

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Last Updated

7 Nov 2021

Cite this Entry

“Armament.” Dictionary, Merriam-Webster, Accessed 28 Nov. 2021.

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More Definitions for armament



English Language Learners Definition of armament

: the process of preparing for war by producing and obtaining weapons
: military weapons that are used to fight a war


ar·​ma·​ment | \ ˈär-mə-mənt How to pronounce armament (audio) \

Kids Definition of armament

1 : the military strength and equipment of a nation
2 : the supply of materials for war
3 : the process of preparing for war the country's long armament


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