ā rātau
1. (particle) (determiner) their (three or more people and more than one thing) - a possessive determiner.
I te pō, ka tū a Kihi rātau ko tōna whānau ki te poroporoaki ki a mātau, ki ngā mea e hoki ana ki te tiki mai i ā rātau wāhine, me ō rātou hūnuku katoa (TTT 1/3/1930:2003). / That night Kihi and his family stood to farewell us, the ones returning to fetch their wives and all their family dependants.
2. (particle) (determiner) they have, they had (plural).
E waru tekau ā rātau kau e kutētē ana rātau (HP 1991:17). / They had eighty cows they were milking.