Tahatū, n. 1. Upper edge of a seine or of a canoe sail. I whitia ai te tahatu o te kupenga ra runga i a koe (S.). He kanae rere tahatu (P.).
2, Horizon. Na taku potiki koe i tiki atu ki te tahatu o te rangi (T. 148).
Williams Dictionary
Rērere tonu ai a Tāwhiri-mātea, arā, ngā hau o te rangi, hoki atu, hoki atu, ki te tahatū o te rangi ki te tahatahi i ngā piro o te kōpū o Rangi....Tāwhiri-mātea still sweeps the skies, from one horizon to another, back and forth to clean away the impurities left behind from the embrace of the stomach of Rangi.
