fan-tanPronunciation: /ˈfantan/Definition of fan-tan noun [mass noun] 1a Chinese gambling game in which players try to guess the remainder after the banker has divided a number of hidden objects into four groups. 2a card game in which players build on sequences of sevens. Origin: late 19th century: from Chinese fān tān, literally 'repeated divisions'fan-tan in other Oxford dictionaries Definition of fan-tan in the US English dictionary