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
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
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
Joan of Arc armor in the form of hardened corsets, even breastplates, were built into a number of dresses.
—
Merle Ginsberg, HollywoodReporter, 5 May 2026
This year’s event – the fifth since the full-scale invasion of Ukraine – will take place without heavy weaponry, such as armor and missiles.
—Nick Paton Walsh, CNN Money, 4 May 2026
Cobb Vanth The old-fashioned cowboy wore Boba Fett's armor and weapons as the marshal of Mos Pelgo on Tatooine and was an loyal ally of the Mando – until Cad Bane gunned him down in cold blood.
—Brian Truitt, USA Today, 3 May 2026
As a result, tanks were designed accordingly, with heavier armor and lots of firepower.
—Matthew S Williams, Interesting Engineering, 1 May 2026
See All Example Sentences for armor
Examples are automatically compiled from online sources to
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Merle Ginsberg, HollywoodReporter, 5 May 2026
This year’s event – the fifth since the full-scale invasion of Ukraine – will take place without heavy weaponry, such as armor and missiles.
—Nick Paton Walsh, CNN Money, 4 May 2026
Cobb Vanth The old-fashioned cowboy wore Boba Fett's armor and weapons as the marshal of Mos Pelgo on Tatooine and was an loyal ally of the Mando – until Cad Bane gunned him down in cold blood.
—Brian Truitt, USA Today, 3 May 2026
As a result, tanks were designed accordingly, with heavier armor and lots of firepower.
—Matthew S Williams, Interesting Engineering, 1 May 2026
See All Example Sentences for armor
Cite this Entry
“Armor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/armor. Accessed 7 May. 2026.
Copy CitationKids Definition
armor
noun
ar·mor
ˈär-mər 
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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