1. (modifier) first, principal.
Ko ia te kaiārahi pekepoho o ngā tūruhi ki ngā tūāpapa o Ō-tū-kapua-rangi me Te Tarata i te moana o Rotomahana i mua i te hūnga o Tarawera Maunga i te tau 1886 (TTR 1994:25). / She was the principal tourist guides of the Pink and White Terraces at Lake Rotomahana before the eruption of Mount Tarawera in 1886.
2. (noun) youngest child (in a family), last born - originally the first-born in a family, but in modern Māori it always means the youngest sibling.
Ko Raiha te pekepoho o te whānau (TWK 35:12). / Raiha was the youngest of the family.