暗槓あんかん

noun

concealed kong; declaring a concealed kong

In mahjong, the act of forming a kong (four identical tiles) entirely from tiles in one's hand, without having called any of them from discards. The set is kept concealed until declared.

from Chinese àngàng

See also: 槓

• 暗槓あんかんを宣せん言げんするときは、4枚まいの牌ぱいを伏ふせて横よこに並ならべる。

  When declaring a concealed kong, you place the four tiles face down in a row.

• 彼かれは手て牌はいに同おなじ牌ぱいが4枚まいあったので、暗槓あんかんした。

  He had four identical tiles in his hand, so he made a concealed kong.