Definition 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)
armorlessplay \-mər-ləs\ adjective
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
Origin and Etymology of armor
Middle English armure, from Anglo-French, from Latin armatura — more at armature
First Known Use: 14th century
ARMOR Defined for English Language Learners
Definition of armor for English Language Learners
: special clothing that people wear to protect their bodies from weapons
: a hard covering that protects something (such as a vehicle or an animal)
: soldiers and vehicles (such as tanks) that are protected with armor
ARMOR Defined for Kids
Definition of armor for Students
1 : a covering (as of metal) to protect the body in battle
2 : a hard covering that provides protection <A turtle's shell is its armor.>
3 : armored forces and vehicles (as tanks)
Seen and Heard
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