Mahjong Glossary Game Terms In this section you can find some of the most common terms used in the game of Mahjong. Knitted Tiles – oldest type of Mahjong; introduced to America in the 1920’s. Kong – Set of four identical tiles. Major Tiles – Honours and terminals. Matchin Chows – Two matching chows in different suits. Meld – A set. Nine Gates – A single suit hand in which any tile of the same suit completes the hand. Progressive Chows – Chows stepped up one or two digits. Progressive Pungs – Pungs stepped up one digit. Pung – Set of three identical tiles. Reversible Tiles – Tiles that have the same appearance when inverted. Self-drawn – A tile drawn from the wall. Sequence – Set of suit tiles in numerical order. Set – Chow, pung or kong. Simples – Suit tiles other than terminals. Stepped – Chows separated by one or two numbers. Terminals – Tiles one and nine of the three suits. Thirteen Orphans – A hand composed of one each of every major tile, one tile paired. Twin Chows – Two identical chows in the same suit. Void Suit– A hand lacking tiles of one suit. Wall – Tiles assembled face down at the start of the game. Wind, Own – Wind corresponding to the player’s seat. Wind, Prevailing – The wind of the round. Wind, Seat – Wind corresponding to the player’s seat.