armor

noun

ar·​mor ˈär-mər How to pronounce armor (audio)
Synonyms of armornext
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
armorless adjective

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.
Klymenko, who wore body armor, said the man was carrying a carbine. ABC News, 18 Apr. 2026 The remaining 10% comes from the shoe armor, which Gonzales and Manoogian said has been slow to be adopted. Max Scheinblum, Denver Post, 17 Apr. 2026 Likewise diverging from the norm, a Retiarius on a pottery relief from Gaul, instead of being almost naked, wears a helmet, body armor, and greaves. Literary Hub, 15 Apr. 2026 Los Angeles County deputies arrested a man last week after he was spotted on a Rancho Palos Verdes hiking trail armed with multiple guns and wearing body armor. Dean Fioresi, CBS News, 14 Apr. 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.grautoblog.com/dictionary/armor. Accessed 27 Apr. 2026.

Kids Definition

armor

noun
ar·​mor ˈär-mər How to pronounce armor (audio)
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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