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 \ -​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

Helmets Make a Comeback With the widespread introduction of gunpowder in the 16th century, European infantry started ditching their armor. David Hambling, Popular Mechanics, "The Century-Long Evolution of the U.S. Army Helmet," 27 June 2019 Starting with one of those, add the antlers, a dark brown coat, faded red scarf, and some armor gloves. Kayla Keegan, Good Housekeeping, "These 'Masked Singer' Halloween Costumes Are the Biggest Mic Drop of All Time," 21 June 2019 The Germans are devoting their main defensive effort in this area by using most of their armor. Wes Gallagher, Houston Chronicle, "U.S. TROOPS CAPTURE MONTEBOURG," 9 June 2019 One bullet punched through his body armor and lodged in his spine. Lisa J. Huriash,, "Mike Satz has led for decades as Broward’s top prosecutor. Here are some of his biggest cases.," 4 June 2019 Two San Diego police officers were shot Saturday evening after a gunman wearing body armor barricaded himself in an apartment and fired through the walls. Fox News, "Gunman dead after 2 cops shot in San Diego standoff; 1 officer reported clinging to life," 2 Oct. 2018 The officers who patrol Michigan’s state parks say they should be allowed to carry guns and wear soft body armor to protect themselves from unruly visitors. Steven Pepple, Detroit Free Press, "Michigan state park police want guns, body armor, say it's a dangerous job," 8 July 2018 Dana Hill, 38, was charged with unlawful possession of a firearm, unlawful possession of ammunition, and wearing body armor while committing a crime, Boston police said in a statement. Laney Ruckstuhl,, "SWAT team busts open Mattapan man’s door, seizes arsenal of weapons," 14 June 2018 All of the costumes have taken a darker, colder, and more armor-like direction in this final season of battles, and the jewelry reflects those changes. Olivia Martin, Town & Country, "The Jewelry on Game of Thrones Offers Clues to the Season 8 Finale," 18 May 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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Statistics for armor

Last Updated

7 Jul 2019

Look-up Popularity

Time Traveler for armor

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

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More Definitions for armor



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

Rhyming Dictionary: Words that rhyme with armor

Thesaurus: All synonyms and antonyms for 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

Comments on armor

What made you want to look up armor? Please tell us where you read or heard it (including the quote, if possible).


appealing forcibly to the mind or reason

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