ngātahi
1. (modifier) together, simultaneously, as one, in unison, at the same time, concurrently.
E 500 i tēnei wā kei te takatū mō te haere ki te whawhai, ki reira tū ngātahi ai rātau ko ō rātau hoa Pākehā, pupuri ai i te mana o Ingarangi kei takahia ki raro (TKO 3/1915:7). / At this time 500 are preparing to go to fight and to stand together there with their Pākehā allies to uphold the mana of England lest it be diminished.
See also tahi
2. (intransitive verb) cooperate.
3. (noun) industrial relations.
whakaaetanga whakahaere ngātahi
1. (noun) joint management agreement.
Ka hiahiatia he whakaaetanga whakahaere ngātahi ki waenganui i a Waikato-Tainui me te Waikato Regional Council, ā, ki waenganui hoki i a Waikato-Tainui me ngā māna whakahaere ā-rohe whānui (Special report in relation to the Waikato-Tainui Raupatu Claims (Waikato River) Settlement Bill 2010:5). / A joint management agreement was desired between Waikato-Tainui and the Waikato Regional Council, and also between Waikato-Tainui and the regional authorities.