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
Theron wore a slouch-cut, double-breasted white suit, its easy drape broken by the armor of chains.
—
Maggie Clancy, Footwear News, 3 Oct. 2025
Attackers are constantly monitoring companies for vulnerabilities or holes in their cyber armor, Hannigan said.
—Ellie Cook, MSNBC Newsweek, 3 Oct. 2025
Equal parts armor and attitude, oversized wraparound frames by Phoebe Philo and Balenciaga champion the big and bold.
—Minty Mellon, Vogue, 2 Oct. 2025
Military-grade armor and a slew of over-the-top security options combine to turn the high-performance SUV into the most luxurious tank out there.
—Bryan Hood, Robb Report, 30 Sep. 2025
See All Example Sentences for armor
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Maggie Clancy, Footwear News, 3 Oct. 2025
Attackers are constantly monitoring companies for vulnerabilities or holes in their cyber armor, Hannigan said.
—Ellie Cook, MSNBC Newsweek, 3 Oct. 2025
Equal parts armor and attitude, oversized wraparound frames by Phoebe Philo and Balenciaga champion the big and bold.
—Minty Mellon, Vogue, 2 Oct. 2025
Military-grade armor and a slew of over-the-top security options combine to turn the high-performance SUV into the most luxurious tank out there.
—Bryan Hood, Robb Report, 30 Sep. 2025
See All Example Sentences for armor
Cite this Entry
“Armor.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/armor. Accessed 10 Oct. 2025.
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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