armored combat

Short definition from Wiktionary

Noun

1. 1
   Fighting between armored warriors, such as knights, heavy infantry, heavy cavalry
2. 2
   Fighting using armored vehicles, such as AFVs, tanks, APCs, IFVs
3. 3
   Ellipsis of armored combat fighting, a combat sport.
4. 4
   Ellipsis of armored combat fight, a sports match.