老頭牌
also: ろうとうはい
Meanings
1
terminals; suited tiles numbered 1 or 9
Mahjong term for the end tiles of each suit: 1 and 9 of characters, circles, and bamboo. Often used in discussions of yaku such as 混老頭 or 清老頭.
from Chinese lǎo tóu pái
Terminals are the 1 and 9 tiles of each suit.
To make a mixed terminals hand, collect only terminals and honor tiles.