fan-tan 
(făntăn′)
(făntăn′)n.
1. A Chinese betting game in which the players lay wagers on the number of counters that will remain when a hidden pile of them has been divided by four.
2. A card game in which sequentially higher and lower cards are played starting with the sevens, the first player to run out of cards being the winner.
[Mandarin fān tān : fān, turn (from Middle Chinese faːn) + tān, to spread out (from Middle Chinese than).]