noun
armament
AR-muh-munt/ˈɑːrməmənt/
Weapons and equipment used for military purposes.
The armored vehicle forms part of the armament displayed with other military equipment.

Etymology
The formation points to implements used to arm a force. An early English meaning named a naval force equipped for war; the selected sense names military weapons and equipment collectively.
In context
the ship carried 38 guns that fired 18-pound cannonballs as her main armament
More examples
- The treaty limits certain categories of armament.
- The country reduced spending on heavy armaments.
- The museum displays obsolete naval armament.
Forms
armament · armaments
Similar words
- weaponry
- Weapons collectively, without necessarily associated military equipment.
- ordnance
- Usually military weapons and ammunition, especially larger guns.