An Encylopedia Britannica Company

armor

armor (US) noun
or British armour /ˈɑɚmɚ/
armor (US)
noun
or British armour /ˈɑɚmɚ/
Britannica Dictionary definition of ARMOR
[noncount]
: special clothing that people wear to protect their bodies from weapons
Armor commonly refers to the heavy metal suits that men wore long ago when they fought in battles.
see also knight in shining armor at 1knight
◊ A chink/crack in someone's or something's armor is a weakness that might cause someone or something to fail or to be defeated.
: a hard covering that protects something (such as a vehicle or an animal)
often used before another noun
: soldiers and vehicles (such as tanks) that are protected with armor