noun
red dragon tile
Mahjong tile; abbreviation of 紅中. One of the three dragon tiles.
See also: 紅中
中をポンして、役を確定させた。
I called pung on the red dragon tile and secured the yaku.
noun
winning hand with a pung/kong of red dragons
Mahjong hand that includes a pung or kong of red dragon tiles.
中のみの手でも、役牌なのであがれる。
Even a hand with only a pung of red dragons can win because it's a yakuhai.