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 Officers reported that Smith was wearing body armor. al, "Spanish Fort to honor police in Bass Pro Shop shooting incident," 5 Oct. 2020 Chinese ceramics and arms, armor, and especially textiles from throughout the world entered the collection along with the usual suspects such as American paintings by John Kensett and Frederic Church and Old Master prints and paintings. Brian T. Allen, National Review, "The Best Museum in the World," 3 Oct. 2020 The experts said that wearing body armor or keeping a weapon close at hand could risk blowing the officer’s cover. Olivia Mitchell, cleveland, "Cleveland police detective’s slaying underscores the risks of undercover investigations," 23 Sep. 2020 They were arrested outside of a La Quinta Hotel in Pleasant Prairie, Wisconsin, and officers recovered a cache of weapons, including an AR-15, a shotgun, a handgun, body armor, and a silencer from their vehicle and hotel room. Mike Brest, Washington Examiner, "Two arrested with firearms outside Kenosha after police received tip about possible shooting," 4 Sep. 2020 While a ceasefire was declared two years later, the dispute remains – punctured by fierce flareups – such as the current one, involving air power, missiles and heavy armor. Hollie Mckay, Fox News, "Armenia-Azerbaijan clashes: US, others must intervene as conflict escalates, experts say," 28 Sep. 2020 Shields were handed out at the Proud Boys rally, where some attendees wore body armor and carried firearms. Eliott C. Mclaughlin, CNN, "Portland protests remain largely peaceful until night falls and police are targeted, authorities say," 27 Sep. 2020 And all of the figures have festive treatments like this; the range trooper is in a buff Santa suit, the clone trooper gets red body armor and the snowtrooper gets a Santa-themed helmet. Jacob Krol, CNN Underscored, "Hasbro unveils new ‘Mandalorian’ and holiday-themed ‘Star Wars’ figures," 25 Sep. 2020 Motivation is, in fact, a hole in effective altruism’s armor. Zachary Pincus-roth, Washington Post, "They want to upend the way we think about charity — and their message is winning both converts and critics.," 23 Sep. 2020

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, armoure "arms, body armor," borrowed from Anglo-French & continental Old French, going back to Latin armātūra "armament, troop" (Medieval Latin, "suit of armor") — 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

18 Oct 2020

Cite this Entry

“Armor.” Dictionary, Merriam-Webster, Accessed 28 Oct. 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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Comments on armor

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