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English definition of “armour”

armour

noun [U] UK (US armor)     /ˈɑː.mər/ US  /ˈɑːr.mɚ/
strong covering that protects something, especially the body: Police put on body armour before confronting the rioters. In the past, knights used to wear suits of armour (= protective covering made of metal) in battle. These grenades are able to pierce the armour of tanks.Arms and munitions in general military vehicles that are covered in strong metal to protect them from attack: The troops were backed by tanks, artillery, and other heavy armour.Army and military vehicles
(Definition of armour noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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