kauwaka
1. (noun) vehicle, medium, human medium of an atua or spirit.
Ko ngā tohunga hoki ngā kauwaka kōrero ki ngā atua Māori otirā ki te ao wairua (Te Ara 2015). / Tohunga were also the medium of communication to the Māori atua and the spirit world.
Synonyms: matataketake, wawaenga, waka