Synonyms 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)
armor transitive verb

Illustration of armor

Illustration of armor
  • 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

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
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
One gang wears football pads as armor and comes galloping in on horses, whooping like the Apaches in a John Ford movie. Amy Nicholson, Los Angeles Times, 28 Aug. 2026 Antimony strengthens ammunition and armor and supports military technologies, including night-vision systems and flares. Aamir Khollam, Interesting Engineering, 27 Aug. 2026 Agents then raided the Wynwood apartment and found 540 kilos (almost 1,200 pounds) of cocaine, $3 million in cash, 14 firearms and more than 100 rounds of armor-piercing bullets, prosecutors say. David Goodhue august 26, Miami Herald, 26 Aug. 2026 In March 2022, Panettiere founded the charity Hoplon International to offer direct relief and life-saving body armor and medical kits to front-line Ukrainian soldiers. Etan Vlessing, HollywoodReporter, 19 Aug. 2026 See All Example Sentences for armor

Word History

Etymology

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

First Known Use

14th century, in the meaning defined at sense 1

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

Browse Nearby Words

Cite this Entry

“Armor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/armor. Accessed 1 Sep. 2026.

Kids Definition

1
: a covering (as of metal) to protect the body in battle
2
: a protective covering (as the steel sides of a battleship or the covering of an animal or plant)
3
: armored forces and vehicles (as tanks)

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