FLASK

'Flask' may refer to

★ vacuum flask or "thermos flask", a container designed to keep warm drinks warm and refrigerated drinks cold.

★ hip flask, a small container used to carry a small amount of hard alcohol.

★ hunt flask, a small container, related to the hip flask, stored in a leather case on the saddle while hunting.

★ The UK band Flask, a six-piece rock/indie group that performed mainly in the North East of England during the late 1990s.

★ laboratory flask, laboratory glassware for holding larger volumes than simple test tubes.

★ 'Fl'ux 'A'dvanced 'S'ecurity 'K'ernel

★ A container used in casting to contain green sand.