暗刻
also: アンコ
Meanings
1
concealed pung; concealed three-of-a-kind
Mahjong term: a set of three identical tiles drawn entirely from the wall without claiming a discard. Compare 明刻 (open pung).
from Chinese àn kè
When you form a concealed pung, keep it face down without showing it to other players.
This hand has two concealed pungs, so you can aim for a high score.