yangban (traditional ruling class of Korea during the Joseon dynasty)
double-sided wait (for one's last tile); wait for one of two types of tiles to complete a chow which will finish one's hand
double-sided wait (for one's last tile); wait for either of two different tiles to complete a chow which will finish one's hand
inferior double-sided shape; incomplete chow that may be completed by one of eight tiles of two types, two of which tiles are already consumed by the hand's pair; tile pattern composed of a complete chow and an additional tile of its lowest or highest rank (e.g. 3345 or 3455)