Définitions
1.NounA 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.
2.NounA container used to discreetly carry a small amount of a hard alcoholic beverage; a pocket flask.
3.NounLaboratory 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.
4.NounA container for holding a casting mold, especially for sand casting molds.
5.NounA bed in a gun carriage."(The addition of quotations indicative of this usage is being sought:)"
6.NounA nuclear flask, a large, secure lead-lined container for the transport of nuclear material.
7.NounA small bottle of liquor.
8.VerbTo invest a denture in a flask so as to produce a sectional mold.