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• armour
  armour

  noun

  armor.
• Armour
  Armour

  noun

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

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

Among lizards, goannas stand out as the only lineage known to have lost this armour, only to regain it in a remarkable evolutionary twist.

From Science Daily • May 21, 2026

"We are about to witness something we've never seen before -- Earth's invisible armour in action," ESA director-general Josef Aschbacher said in a statement.

From Barron's • May 19, 2026

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

The armour would be rusty, and there was a sort of draught down the back of his neck where the helmet screwed on.

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