He whakatakotoranga toka ki roto i te kirinuku, he putunga wai kei roto. Ka pupū ake te wai o te mātāwainuku i te puna māori, ka taea rānei te papu kia puta ki runga.
A formation of rock in the Earth's crust which contains a storage of water. The groundwater in the aquifer comes to the surface as a natural spring, or it can be pumped to the surface.
mātā (mātāpuna) - source
wainuku - groundwater
Nō hea te wai o roto i tētahi mātāwainuku?
Ina kaha te tuku whakahaumako horihori ki te whenua, tērā pea ka takakinotia te mātāwainuku.
I Te Matau-a-Māui, kua roa te hunga ahumāra e whāngai ana i ā rātou pāmu ki te wai o roto i ngā mātāwainuku o te rohe.