hauhau. 1. a. Cool. Ka hauhau koe i te anu o waho (T. 66).
2. n. Coolness, cool air. Toia ake te tatau kia tuwhera, kia puta mai ai te hauhau ki a au (M. lvi).
Williams Dictionary
hauhau (i) n. Neochanna apoda, mud-fish = waikākā.
Williams Dictionary
hauhau (ii), n. Bludgeon. Hauhau manu, stick for killing birds.
Williams Dictionary