flagon
Pronunciation: /ˈflag(ə)n/
noun
- a large container in which drink is served, typically with a handle and spout: a silver flagon
- the amount of liquid held in a flagon: a flagon of beer
- a container similar to a flagon used to hold the wine for the Eucharist.
- a large bottle in which wine or cider is sold, typically holding 1.13 litres (about 2 pints).

Origin:
late Middle English: from Old French flacon, based on late Latin flasco, flascon-, of unknown origin. Compare with flask