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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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