余よ剰じょう牌はい

noun

surplus tile; unnecessary tile at tenpai

In mahjong, a tile that is no longer needed to complete the hand, especially the tile discarded when reaching tenpai (ready hand).

See also: テンパイ

• 聴てん牌ぱいしたら、余よ剰じょう牌はいを捨すてて待まちを宣せん言げんする。

  When you reach tenpai, you discard the surplus tile and declare your wait.

• どの牌はいが余よ剰じょう牌はいかを見み極きわめるのが難むずかしい。

  It's difficult to determine which tile is the surplus one.