Defensive covering is a term used to describe protective clothing or equipment that is designed to protect the wearer from physical harm. ARMOUR, ARMOR, and ARMATURE are all terms used to refer to defensive covering. ARMOUR is a term typically used to refer to protective clothing made of metal or other strong materials, while ARMOR is a term used to refer to protective clothing made of leather or other flexible materials. ARMATURE is a term used to refer to protective equipment such as shields or helmets.