A protective layer over a body, vehicle, or other object intended to deflect or diffuse damaging forces.
"The tank rolled forward under its thick armor, which was designed to absorb enemy fire and protect the crew inside."
In plain English: Armor is hard protection worn on your body to keep you safe from getting hurt by sharp things or attacks.
"The knight wore heavy armor to protect himself in battle."
Usage: Use the noun form when referring to physical protection like suits of metal plating or software security layers, while using the verb "armor" specifically for equipping objects against damage. Avoid confusing this term with similar words unless you are discussing specific contexts where both apply, such as military gear versus digital firewalls.
To equip something with armor or a protective coating or hardening.
"The blacksmith carefully armored the knight's sword by dipping its blade in molten iron to create an impenetrable shield."
In plain English: To armor something means to cover it with protection so that nothing can hurt it.
"The heavy rain armored the dry soil, protecting it from erosion during the storm."
A surname.
"The Knight Armor family has served in parliament for three generations."
The word armor comes from the Latin armātūra, meaning "equipment for war." It entered English through Old French and Anglo-Norman before evolving into its modern form.