Emily Dickinson Lexicon

FLASK, n. [G. flasche; Sw. flaska; Dan. flaske; D. fles, flesch; Sax. flaxa; Sp. and Port. frasco; It. flasco, or fiasco; W. flasg, a basket.]

1. A kind of bottle; as, a flask of wine or oil.
2. A vessel for powder.
3. A bed in a gun-carriage. Bailey.