gin1Pronunciation: /dʒɪn/Translate gin | into French | into German | into Italian | into Spanish Definition of gin noun 1 [mass noun] a clear alcoholic spirit distilled from grain or malt and flavoured with juniper berries. 2 (also gin rummy) a form of the card game rummy in which a player holding cards totalling ten or less may terminate play. Origin: early 18th century: abbreviation of genevergin in other Oxford dictionaries Definition of gin in the US English dictionary