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)
Kumi's KMT system will track your mastery across kanji, vocabulary, grammar, and reading. Create an account to join the waitlist for 220,000+ concepts.