noun
cavalry
KAV-ul-ree/ˈkævlri/
Military forces fighting from horses or armored vehicles.
The mounted cavalry advances together with drawn sabers held upright.

Etymology
The “mounted militia” were horse soldiers. The name preserves that horseback role even when applied to troops fighting from vehicles.
In context
The Chinese didn’t have horse archers of their own. Meaning that their cavalry and foot soldiers could never fight back.
More examples
- The commander sends armored cavalry ahead of the infantry.
- The cavalry unit scouts the valley.
- When extra volunteers arrive, we cheer that the cavalry is here.
Similar words
- infantry
- Soldiers fighting primarily on foot.
- reinforcements
- Additional forces or help without specifying cavalry.