ar·​mor | \ ˈär-mər How to pronounce armor (audio) \

Definition of armor

1 : defensive covering for the body especially : covering (as of metal) used in combat
2 : a quality or circumstance that affords protection the armor of prosperity
3 : a protective outer layer (as of a ship, a plant or animal, or a cable)
4 : armored forces and vehicles (such as tanks)

Illustration of armor

Illustration of armor

armor 1: 1 helmet, 2 gorget, 3 shoulder piece, 4 pallette, 5 breastplate, 6 brassard, 7 elbow piece, 8 skirt of tasses, 9 tuille, 10 gauntlet, 11 cuisse, 12 knee piece, 13 jambeau, 14 solleret

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Other Words from armor

armor transitive verb
armorless \ ˈär-​mər-​ləs How to pronounce armorless (audio) \ adjective

Examples of armor in a Sentence

The officers are required to wear bulletproof body armor. The shots penetrated the tank's armor. The armadillo's armor consists of a series of small, bony plates. a weapon designed for use against enemy armor
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Recent Examples on the Web McConnell saw those small cracks in the Democratic armor and ordered his troops to jab at the division. Paul Kane,, "Showdown over Trump impeachment trial underscores power of Pelosi and McConnell," 11 Jan. 2020 Hush puppies, bites of mild boudin sausage, jambalaya spheres, okra, softshell crab — all of them wore crunchy armor of just the right weight. Mike Sutter,, "Review: San Antonio’s Smashin’ Crab seafood restaurant finds success with Cajun food," 12 Dec. 2019 Thirty-five teenage boys dressed in the padded armor of football stepped onto the Paradise High School field to play a game for the first time since a wildland fire struck the town nine months earlier with deadly force. Elliott Almond, The Mercury News, "Rebirth in Paradise: How high school football is making it feel ‘like before the fire’," 24 Aug. 2019 The military's efforts included positioning tanks on flat-bed trailers around the capital, meeting Trump's desire for tanks while minimizing damage to district roads from the heavy armor. Fortune, "$5.4 Million: First Estimated Cost of Trump’s 4th of July Extravaganza," 11 July 2019 On Monday, most soldiers walked around the base without wearing any body armor, amid the area’s large tents and street signs written mostly in English. Time, "American Troops Were Informed of Incoming Iran Strike: Military Officials," 13 Jan. 2020 On Monday, most soldiers walked around the base without any body armor, amid large tents and street signs written mostly in English. Ali Abdul-hassan,, "US troops in Iraq got warning hours before Iranian attack," 13 Jan. 2020 Critical competencies of real war — including armor, artillery and the command and control of large formations — had atrophied badly. Gil Barndollar, Twin Cities, "Gil Barndollar: Endless wars are corrupting our military and distracting the U.S. from bigger global threats," 12 Dec. 2019 Christopher Brewster’s body armor, clearing up earlier concerns that rounds possibly penetrated the bulletproof vest. Julian Gill, Houston Chronicle, "Acevedo: Bullet did not pierce slain Houston police sergeant’s vest," 11 Dec. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'armor.' 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 armor

14th century, in the meaning defined at sense 1

History and Etymology for armor

Middle English armure, from Anglo-French, from Latin armatura — more at armature

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Time Traveler for armor

Time Traveler

The first known use of armor was in the 14th century

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Statistics for armor

Last Updated

3 Feb 2020

Cite this Entry

“Armor.” Dictionary, Merriam-Webster, Accessed 17 Feb. 2020.

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More Definitions for armor


How to pronounce armor (audio)

English Language Learners Definition of armor

: special clothing that people wear to protect their bodies from weapons
: a hard covering that protects something (such as a vehicle or an animal)
: soldiers and vehicles (such as tanks) that are protected with armor


ar·​mor | \ ˈär-mər How to pronounce armor (audio) \

Kids Definition of armor

1 : a covering (as of metal) to protect the body in battle
2 : a hard covering that provides protection A turtle's shell is its armor.
3 : armored forces and vehicles (as tanks)

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More from Merriam-Webster on armor

Thesaurus: All synonyms and antonyms for armor

Rhyming Dictionary: Words that rhyme with armor

Spanish Central: Translation of armor

Nglish: Translation of armor for Spanish Speakers

Britannica English: Translation of armor for Arabic Speakers Encyclopedia article about armor

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