1. protective covering or plating, especially metal plates used to protect military vehicles, ships, or buildings
2. the process or act of providing protective covering

1. present participle of armour: providing with protective covering or plating

Examples

• The tank’s armouring was thick enough to withstand small arms fire.
• The ship required extensive armouring to protect against enemy attacks.
• They are armouring the vehicle with steel plates.
• The armouring process took several weeks to complete.
• Heavy armouring made the vehicle slower but much safer.
• The engineers were armouring the bunker walls with reinforced concrete.
• Modern armouring uses lightweight composite materials.