Whau (i), n. Entelea arborescens, a shrub and Nothopanax arboreum, a tree.
whauwhau, n. Nothopanax arboreum = houhou; also Hoheria glabrata and Pseudopanax lessonii, trees.
Williams Dictionary
Whau (ii), n. Roe of gurnard (kumukumu).
whawhau, v.t. Tie. Te rongo te whauwhia kia mau ki te rourou iti a Haere (M. 298). ‖ hou (iii).
Williams Dictionary