noun
mixed outside hand
A mahjong yaku where every set (meld or pair) contains at least one terminal (1 or 9) or honor tile, and the hand includes at least one honor tile and one terminal tile. Worth 2 han when concealed, 1 han when open.
from Chinese hùn quán dài yāo jiǔ
混全帯么九は、すべての面子と雀頭に一九牌または字牌を含む役です。
Honchantaiyaochuu is a yaku where every meld and the pair contain at least one terminal or honor tile.
この手は混全帯么九が狙える。
This hand can aim for honchantaiyaochuu.
From Chinese 混全帯么九 (hùn quán dài yāo jiǔ), literally 'mixed full with terminals and honors'. The term is used as-is in Japanese mahjong terminology.