flask 1
/flask, flahsk/ , n.
1. a bottle, usually of glass, having a rounded body and a narrow neck, used esp. in laboratory experimentation.
2. a flat metal or glass bottle for carrying in the pocket: a flask of brandy.
3. an iron container for shipping mercury, holding a standard commercial unit of 76 lb. (34 kg).
4. Metall. a container into which sand is rammed around a pattern to form a mold.
[ 1375-1425; late ME: cask, keg flaske flasca, earlier flasco, of uncert. orig.; cf. OE flasce, flaxe, OHG flasca (G flasche ); cf. FLAGON ]
flask 2
/flask, flahsk/ , n. Ordn.
1. the armored plates making up the sides of a gun-carriage trail.
2. Obs. the bed of a gun carriage.
[ 1570-80; flasque cheek of a gun carriage flasca FLASK 1 ]