宣せん言げん牌ぱい

noun

riichi declaration tile

In mahjong, the tile a player discards sideways when declaring riichi. It signals that the player is one tile away from a winning hand.

See also: 立直 (リーチ)

• リーチをかけるときは、宣せん言げん牌ぱいを横よこ向むきに捨すてます。

  When declaring riichi, you discard the declaration tile sideways.