暗刻子あんこーつ

noun

concealed pung; concealed three-of-a-kind

In mahjong, a set of three identical tiles drawn entirely from the wall without claiming any discards; the set is kept hidden from other players.

from Chinese àn kè zi

See also: 刻子

• 暗刻あんこー子つができたら、伏ふせて自じ分ぶんの前まえに置おく。

  When you form a concealed pung, place it face down in front of you.

• この局きょくでは暗刻あんこー子つを二ふたつ作つくることができた。

  In this hand, I was able to make two concealed pungs.