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
Most notably, the engine compartment has been reinforced with armor to better withstand machine gun fire.
—
Vikram Mittal, Forbes.com, 28 June 2025
Some of the agents were masked, wore armor and carried rifles.
—Silas Morgan, The Orlando Sentinel, 25 June 2025
Finding a lightweight sunscreen that works for your skin type is a great way to protect your pores and complexion, such as this oil-free UVA/UVB protection Neutrogena sunscreen and serum that doubles as a toxin-fighting, lightweight armor, as well as being intensely hydrating.
—Alexandra Pereira, Travel + Leisure, 25 June 2025
Almost everyone else is more exciting when the focus shifts to them, particularly Natalie (Lyric Ross), who comes back to virtual life as the armor’s new AI.
—Alan Sepinwall, Rolling Stone, 24 June 2025
See All Example Sentences for armor
Examples are automatically compiled from online sources to
show current usage.
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Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
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Vikram Mittal, Forbes.com, 28 June 2025
Some of the agents were masked, wore armor and carried rifles.
—Silas Morgan, The Orlando Sentinel, 25 June 2025
Finding a lightweight sunscreen that works for your skin type is a great way to protect your pores and complexion, such as this oil-free UVA/UVB protection Neutrogena sunscreen and serum that doubles as a toxin-fighting, lightweight armor, as well as being intensely hydrating.
—Alexandra Pereira, Travel + Leisure, 25 June 2025
Almost everyone else is more exciting when the focus shifts to them, particularly Natalie (Lyric Ross), who comes back to virtual life as the armor’s new AI.
—Alan Sepinwall, Rolling Stone, 24 June 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 4 Jul. 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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