辺張
  ペンチャン
  noun (common) (futsuumeishi)
  see: 辺張待ち・ペンチャンまち
  loanword/gairaigo 外来語 (Chinese 中国語)
  one-sided wait for the end tile of a three-in-a-row which will finish one's hand (i.e. for a 3 while holding 1-2, or for a 7 while holding 8-9) (mahjong)
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