This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

n. A large vessel, usually of metal or pottery, with a handle and spout and often a lid, used for holding wine or other liquors.

n. The quantity of liquid that such a vessel can hold.

n. A large bottle for drinks such as wine or cider.

n. The amount that such a bottle holds, about 1.13 litres.

n. A large vessel usually with a handle, spout and lid, for drinks such as wine or cider.

n. 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.

n. A vessel for holding liquids, especially for table use. It has a spout, a handle, and usually a cover.

n. a large metal or pottery vessel with a handle and spout; used to hold alcoholic beverages (usually wine)

"The flagon is the only piece of the church plate belonging to this period."

vessel   

stoup    gun   

goblet    decanter    tankard    jug    swig    carafe    tumbler    beaker    flask    wineglass