Flag"on (?), n. [F. flacon, for flascon, fr. OF. flasche, from LL. flasco. See Flask.]
A vessel with a narrow mouth, used for holding and conveying liquors. It is generally larger than a bottle, and of leather or stoneware rather than of glass.
A trencher of mutton chops, and a flagon of ale.
Macaulay.
© Webster 1913.