kaikōrero matua
1. (noun) keynote speaker, main speaker.
Tau mai ana ki te aroaro o te Ahorangi te pōwhiri a te rōpū nei, a NALI, kia haere atu ko ia hei kaikōrero matua ki te hunga rāmemene ki te hui ā-tau (HM 1/1992). / The invitation of this group, NALI, landed in front of the Professor to go to the annual conference as keynote speaker.