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

Keep scrolling for more

Other Words from armor

armor transitive verb
armorless \ ˈär-​mər-​ləs How to pronounce armor (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
See More
Recent Examples on the Web The second man through the window is wearing full tactical body armor and is carrying a baseball bat. New York Times, "Graphic Video of Capitol Attack Leaves Emotions Raw but May Not Change Votes," 10 Feb. 2021 In this episode of Game Over(analyzed) for’s sister site, Wired, military historian Mike Loades breaks down how medieval weapons and armor are portrayed in modern video games. Cliff Pinckard, cleveland, "Gov. Mike DeWine refuses to give details on next rounds of COVID-19 vaccinations: The Wake Up for Wednesday, Jan. 6, 2021," 6 Jan. 2021 The child with the rifle was also wearing body armor and a Kevlar helmet. Grace Toohey,, "Orange deputy arrested on child abuse charge, also fired from agency," 19 Oct. 2020 Participants were seen wearing body armor and helmets. oregonlive, "Portland Police move in before planned protest march begins, seize shields and signs, make arrests (live updates)," 29 Sep. 2020 Soon after, the neighbor said, dozens of officers — including some with body armor, helmets and long guns — poured into the area and cordoned off the block. Ramon Antonio Vargas | Staff Writer,, "NOPD's SWAT team at scene of Lower 9th Ward home where suspect is barricaded, agency says," 3 Feb. 2021 The office also bought body armor, shields and tactical gear to kit out rifles with scopes, flashlights and 30-round magazines, purchasing records show., "Top 2020 exclusives: The stories you can see only if you subscribe," 27 Dec. 2020 Cassie utilizes her ultra-feminine presentation of long blonde locks, florals and garish makeup as armor, a disguise, and as a weapon in her war. Mark Olsen Staff Writer, Los Angeles Times, "Indie Focus: Candy-colored revenge in ‘Promising Young Woman’," 24 Dec. 2020 Who hasn't wanted to rip and tear their way through demonic legions in literal hell while clad in super-powered-space-armor? Jess Grey, Wired, "The Best Black Friday Video Game and Accessory Deals," 25 Nov. 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.

See More

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

Keep scrolling for more

Learn More about armor

Time Traveler for armor

Time Traveler

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

See more words from the same century

Statistics for armor

Last Updated

5 Mar 2021

Cite this Entry

“Armor.” Dictionary, Merriam-Webster, Accessed 6 Mar. 2021.

Style: MLA
MLA Chicago APA Merriam-Webster

Keep scrolling for more

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)

Keep scrolling for more

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).


Test Your Vocabulary

Who Knew?

True or False

Test your knowledge - and maybe learn something along the way.

 AlphaBear 2

Spell words. Make bears.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!