1. (verb) (-na,-ngia) to cause to enter, go into.
Ka mutu ngā kōrero ki a Te Paranihi, ka whakatapoko ki roto o Raukawa whare ki te tina tahi ki a Te Paranihi rāua ko tōna hekeretari (KO 15/2/1886:8). / When the discussions with Mr Ballance ended, they went into Raukawa house to have lunch together with Mr Ballance and his secretary.
2. (verb) (-na,-ngia) to turn into (a port).
Ka kite rātou i Te Awa-a-te-atua, ka whakatapoko ki roto, ka ū ki te taha ki runga o Niao, ka tōia ki uta (JPS 1893:223). / When they discovered the Te Awa-a-te-atua river, they entered it, and landed above Niao, where the canoe was dragged up on shore.
3. (verb) (-na,-ngia) to enrol, join, register.
Ka whakatapoko mai a Ira ki roto i taku hāhi, nō te mea he minita au (HP 1991:254). / Ira joined my church because I was a minister.
4. (modifier) entering, applying.
E 70 ngā ingoa o ngā taitama whakatapoko mō te tono whenua (TTT 1/2/1929:929). / There were 70 names of youths applying for land allocations.
5. (noun) entry, admission, entrance, access, application.
Ko taku tau tuatoru ki te kura, ka whakaaehia au e te upoko kia whakamātautauria mō te whakatapoko ki roto i te whare wānanga (HP 1991:40). / In my third year at the school the headmaster gave me permission to sit the examination to enter university (matriculation).