FLASK

flask. Flask, n. a kind of bottle, powderhorn, mark, bed

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Flask (?), n. [[AS. flasce, flaxe; akin to D. flesch, OHG. flasca, G. flasche, Icel. & Sw. flaska, Dan. flaske, OF. flasche, LL. flasca, flasco; of uncertain origin; cf. L. vasculum, dim. of vas a vessel, Gr. �, �, �. Cf. Flagon, Flasket.]] 1. 1. A small bottle-shaped vessel for holding fluids; as, a flask of oil or wine.
2. 2. 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.
3. 3. A bed in a gun carriage. Bailey.
4. 4. (Founding) The wooden or iron frame which holds the sand, etc., forming the mold used in a foundry; it consists of two or more parts; viz., the cope or top; sometimes, the cheeks, or middle part; and the drag, or bottom part. When there are one or more cheeks, the flask is called a three part flask, four part flask, etc.
Erlenmeyer flask, a thin glass flask, flat-bottomed and cone-shaped to allow of safely shaking its contents laterally without danger of spilling; — so called from Erlenmeyer, a German chemist who invented it. — Florence flask. [[From Florence in Italy.]] (a) Same as Betty, n., 3. (b) A glass flask, round or pear-shaped, with round or flat bottom, and usually very thin to allow of heating solutions. — Pocket flask, a kind of pocket dram bottle, often covered with metal or leather to protect it from breaking.