hai
1. (noun) jack, main stone in knucklebones - thrown up in the game of ruru, or kōruru, a tradition game similar to knuckle bones.
Whiua atu te hai ki runga, ka kapo ai i ngā kōhatu i te papa, ka hopu anō ai i te hai (PK 2008:65). / Throw the jack up, then grab the stones on the ground, and then catch the jack again.