also: じゅんツ
noun
chow; three-in-a-row
In mahjong, a set of three consecutive tiles of the same suit, formed by claiming a discard.
from Chinese shùnzi
彼は上家から捨てられた牌で順子を作った。
He made a chow with the tile discarded by the player to his left.
Borrowed from Chinese 順子 (shùnzi), a mahjong term for a sequence of three consecutive tiles.