armour

¹ American  

[ahr-mer] / ˈɑr mər /

noun

Chiefly British.

1. armor.

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Armour ² American  

[ahr-mer] / ˈɑr mər /

noun

1. Philip Danforth 1832–1901, U.S. meat-packing industrialist.

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armour British  

/ ˈɑːmə /

noun

1. any defensive covering, esp that of metal, chain mail, etc, worn by medieval warriors to prevent injury to the body in battle

2. the protective metal plates on a tank, warship, etc

3. military armoured fighting vehicles in general; military units equipped with these

4. any protective covering, such as the shell of certain animals

5. nautical the watertight suit of a diver

6. engineering permanent protection for an underwater structure

7. heraldic insignia; arms

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verb

1. (tr) to equip or cover with armour

Usage

See -our.

Etymology

Origin of armour

C13: from Old French armure, from Latin armātūra armour, equipment

Example Sentences

Both Héctor and Julio were wearing body armour, 14kg of Kevlar and armour plate.

From BBC • Feb. 25, 2026

Some teenagers have grown a kind of emotional armour.

From Barron's • Dec. 17, 2025

"I had a lot of armour and it wasn't easily pierced," she says.

From BBC • Nov. 4, 2025

Justice Secretary David Lammy has announced 10,000 more prison officers will be given body armour in a bid to improve safety in jails after several high-profile attacks.

From BBC • Sep. 21, 2025

Then, in an alcove fanned by the harness-baiTeb, there was a set of shelves which formed the dispensary far side armour.

From "The Once and Future King" by T. H. White