Noun

(en noun)

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

*{{quote-book, year=1963, author=(Margery Allingham)

, title=(The China Governess) , chapter=Foreword citation , passage=Everything a living animal could do to destroy and to desecrate bed and walls had been done. […]  A canister of flour from the kitchen had been thrown at the looking-glass and lay like trampled snow over the remains of a decent blue suit with the lining ripped out which lay on top of the ruin of a plastic wardrobe.}}

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

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

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

Noun

(en noun)

A narrow-necked vessel of metal or glass, used for various purposes; as of sheet metal, to carry gunpowder in; or of wrought iron, to contain quicksilver; or of glass, to heat water in, etc.

A container used to discreetly carry a small amount of a hard alcoholic beverage; a pocket flask.

(sciences) Laboratory glassware used to hold larger volumes than test tubes, normally having a narrow mouth of a standard size which widens to a flat or spherical base.

(engineering) A container for holding a casting mold, especially for sand casting molds.

A bed in a gun carriage.

(Bailey)