ar·mor | \ˈär-mər \

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 \ 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

In the rivers of southern Mexico, a lizard-like fish with armor for skin has taken over the habitat of the native fish like róbalo and mojarra. Tara Duggan,, "Bay Area men’s plan to market invasive fish from Mexico hits snag in U.S.," 2 July 2018 Don your best robes and/or armor for a costume contest with prizes because the winner, which will be selected by the Small Council, wins a one-night stay for two at the Conrad, as well as dinner at Baptiste and Bottle. Adam Lukach, RedEye Chicago, "Halloween in Chicago: 10 events and parties for a scary fun weekend," 24 Oct. 2017 That bag was like armor and camouflage and a hall pass that diminished the pain of being on the wrong side of my high school's economic divide. Abby Gardner, Glamour, "My First Kate Spade: 12 Women on How the Designer Impacted Their Personal Style," 5 June 2018 The concept of a universal basic income, or UBI, has become part of the moral armor of Silicon Valley moguls who want a socially conscious defense against the charge that technology is making humanity obsolete. Edward Glaeser, WSJ, "‘Give People Money’ and ‘The War on Normal People’ Review: The Cure for Poverty?," 9 July 2018 The vests were a special donation from Unequal Technologies after Principal Barbara Rosini requested the ballistic armor., "Pennsylvania School Gifts Graduating 8th Graders With Bulletproof School Accessories," 6 June 2018 The Jaguar’s armor protects crews from 14.5-millimeter heavy machine guns, 155-millimeter artillery shrapnel at ranges up to 30 yards, and mine or IED explosions involving up to 20 pounds of TNT. Kyle Mizokami, Popular Mechanics, "France’s New Armored Car Does Not Mess Around," 17 May 2018 Singer Zendaya appeared in a silver gown that resembled the body-armor of Roman Catholic saint and French heroine Joan of Arc. Amira Rasool, Teen Vogue, "Black Women Used the Met Gala 2018 Theme to Call Out Systematic Oppression in the Catholic Church," 8 May 2018 Among the high-ticket items was the death armor worn by Crowe for his Oscar-winning performance in Gladiator, which was sold for $125,000. Dave Quinn,, "Russell Crowe's Used Leather Jock Strap Fetches $7K as 'Divorce Auction' Rakes in $3.7 Million," 7 Apr. 2018

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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Phrases Related to armor

knight in shining armor

Statistics for armor

Last Updated

13 Oct 2018

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 \

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

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


exaggeratedly or childishly emotional

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