大だい三さん元げん

noun

big three dragons; winning hand with pungs/kongs of all three dragon tiles

A high-scoring mahjong hand consisting of a pung or kong of each of the three dragon tiles (white, green, red).

• 大だい三さん元げんを和あ了がれば、役やく満まんになる。

  If you win with a big three dragons hand, it's a yakuman.

• 白はく、發はつ、中ちゅんをすべて刻子こーつで揃そろえると大だい三さん元げんが成せい立りつする。

  When you collect pungs of the white, green, and red dragons, you complete a big three dragons hand.