▪ a supply of weapons: "Britain's nuclear armoury expanded"
▪ a place where weapons are manufactured.US
2. an array of resources available for a particular purpose: "his armoury of comic routines"
3. a place where militia units drill and train.North American
Word OriginMiddle English (in the sense ‘armour’): from Old French armoirie, armoierie, from armoier ‘to blazon’, from arme ‘weapon’ (see arms). The change in the second syllable in the 17th century was due to association with armour.