armoury vs canister

armoury

noun
  • A collection of weapons and materiel. 

  • Heraldry 

  • A place where arms are kept, an arsenal. 

  • A place where arms are made. 

  • The manufacture of armour and arms; arming, armouring. 

canister

noun
  • A special short-range antipersonnel projectile consisting of a casing of light metal, loaded with preformed submissiles such as flechettes or steel balls. The casing is designed to open just beyond the muzzle of the weapon, dispersing the submissiles. 

  • A projectile component containing colored or screening smoke or riot control agent composition. 

  • A component of canister-type protective masks containing a mechanical filter and chemical filling to filter, neutralize and/or absorb toxic chemical, biological and radiological agents. 

  • Part of a windmill that connects the sails to the windshaft. 

  • A cylindrical or rectangular container usually of lightweight metal, plastic, or laminated pasteboard used for holding a dry product (as tea, crackers, flour, matches). 

  • Any of various cylindrical metal receptacles usually with a removable close-fitting top. 

verb
  • To pack into a canister. 

How often have the words armoury and canister occurred in a corpus of books? (source: Google Ngram Viewer )