辺張待ちぺんちゃんまち

noun

penchan wait; edge wait

A mahjong term for a one-sided wait on the end tile of a run, e.g. waiting for a 3 when holding 1-2, or a 7 when holding 8-9. This is a specific type of ryanmen-machi (two-sided wait) that only completes one side of a sequence.

• 辺ぺん張ちゃん待まちでリーチをかけたが、最さい後ごまで引ひけなかった。

  I declared riichi with a penchan wait, but I couldn't draw the winning tile until the end.

• この手ては辺ぺん張ちゃん待まちだから、待まち牌はいは一いっ種しゅ類るいだけだ。

  This hand has a penchan wait, so there's only one type of tile I'm waiting for.