armor armor /ˈɑːrmɝ/

noun

1. () [American] Protective covering made of metal and used in combat  ( armour [Canadian, British] , armor [American] )
   protective covering made of metal and used in combat
    The knight wore a shining suit of armor to protect himself in battle.
   The knight wore a shining suit of armor to protect himself in battle.
   
   
2. Tough more-or-less rigid protective covering of an animal or plant  ( armor , armour )
   tough more-or-less rigid protective covering of an animal or plant
   
3. [American] (military) a military unit consisting of armored fighting vehicles  ( armor [American] , armour [Canadian, British] )
   (military) a military unit consisting of armored fighting vehicles
   

verb

1. [American] Equip with armor  ( armor [American] , armour [Canadian, British] )
   equip with armor