penchan wait; one-sided wait for a 3 or 7
Mahjong term: a wait for the end tile of a run (e.g., holding 1-2 waiting for 3, or holding 8-9 waiting for 7). Often used in the phrase 辺張待ち (ペンチャンまち).
from Chinese
See also: 辺張待ち (ペンチャンまち)
A penchan wait is harder to win on than a ryanmen wait.
This hand is waiting for the 3 of bamboo on a penchan.
penchan wait; edge wait
Borrowed from Chinese mahjong terminology, corresponding to Chinese 邊張, an “edge wait” completed by the outer tile of a sequence.