FLASK

[noun] [C] - a container for liquids, usually having a wide base and a narrow neckThe cupboard held a collection of glass bottles and flasks of different shapes and sizes.As part of their chemistry lesson, the children were told to heat different liquids in a conical flask.See picture: LaboratoryA flask is also a hip flask.a flask of whiskySee at hip (BODY PART).(UK) A flask is also a vacuum flask.a flask of coffeeSee at vacuum.