IPA: /ˈwɛpənri/
KK: /ˈwɛpənri/
The study or collection of weapons, including their design and production.
The military invested in advanced weaponry to enhance their defense capabilities.
Weaponry → It is formed from "weapon" (from Old English *wǣpen*, meaning instrument of attack or defense) and "-ry" (a suffix denoting a collection or state). The word "weaponry" refers to a collection or system of weapons.
Think of 'weapons' as instruments of attack and '-ry' indicating a collection, so weaponry means a collection of weapons.