A collection of garments, usually made of metal, worn over the body for protection in battle from weapons.

Vehicle armor which reacts to the impact of a weapon in such a way as to reduce the damage done, typically by exploding to disrupt the penetrating jet of a shaped-charge weapon.

(Britain, Canada) Shielding that is chemically inert (unlike reactive armour) and does not require electricity or active sensors to operate. It is usually made of metal, ceramic, or in some cases, composite materials.

plural of passive armour

Heavy plate steel, or other strong plate metal, installed to create armour on a structure or vehicle.

plural of top-armour

(nautical) A top railing supported by stanchions and equipped with netting.

(archaic) The escutcheon of a person or family, with its charges, mantling, crest, supporters, motto, etc. / (historical) A silk vest embroidered in colours, worn by a knight over the armour.

plural of coat armour

(UK) Alternative spelling of chink in the armor.