kōauau pongāihu
1. (noun) gourd flute - a flute made of tiny gourds with the neck removed. Played using the nostril, it has two small fingur holes placed on the side of the gourd.
(Te Māhuri Textbook (Ed. 2): 163;)
He mea hanga te kōauau pongāihu i te hue ririki, ā, whakatangitangihia ai mā te ihu. / The kōauau pongāihu is made from a small gourd and is played with the nose.