Yaochuuhai

么九牌

(やおちゅうはい)

Definition

Terminals and honors - the 1s, 9s, winds, and dragons. Required for certain yaku like chanta and honroutou.

么九牌

The 1 and 9 tiles of each suit. Together with honor tiles, they form terminals and honors (yaochuuhai).

中張牌

The numbered tiles 2-8 in each suit. Not terminals or honors. Required for tanyao yaku.