waikaru
1. (noun) aqueous humour.
Ko te waikaru: He wē tea e noho ana ki waenganui i te kiriwhatu me te arotahi. Ko tāna, he āwhina ki te whakahakoko i te aho e uru atu ana ki te karu (RP 2009:245). / The aqueous humour: Transparent liquid located between the cornea and the lens. Its purpose is helping to bend the light entering the eyeball.