The term 'defensive covering for body' can be solved by two crossword solutions: ARMOR (5 letters) and ARMOUR (6 letters). ARMOR is a protective covering that was historically used to protect the body from weapons and other hazards. It is usually made of metal, leather, or other materials. ARMOUR is a similar protective covering, but it is typically made of fabric or other lightweight materials. Both ARMOR and ARMOUR are still used today in various forms, such as bulletproof vests and helmets.