kakau, n. 1. Stalk of a plant.
2. Handle of a tool. E whiua ana te kakau o te hoe (M. 354).
3. A variety of kumara. Katahi ka utaina te kumara nei, a te kakau (T. 111).
4. Part of the constellation of Orion; also, Te Kakau a Maui. = Tautoru. Ko Te Kakau, me Kopu ma, e whakaatu ana i te awatea.
Williams Dictionary