flask (plural flasks)
- 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.
- French: flacon, flasque
- German: Flasche
- Italian: fiaschetta, boccetta
- Portuguese: frasco
- Russian: фля́жка
- Spanish: petaca, licorera disfrazado, frasquera
- German: Formkasten
flask (flasks, present participle flasking; past and past participle flasked)