ARMOUR

UK and ANZ, [US and ANZ] armor [noun] [U] - strong protective covering, esp. for the bodyPolice 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/penetrate the armour of tanks.Armour is also military vehicles that are covered in strong metal to protect them from attack.The troops were backed by tanks, artillery and other heavy armour.Armour can also be a way of acting that a person has in order to protect themselves emotionally.She's very hard to get to know, and few people have been able to penetrate her armour.She saw his face soften, losing its armour.An armour-plated vehicle is one that has been covered with special protective metal.