Ngākau. 1. n. Vitals, viscera. (It is questionable whether it should be applied to the physical heart.) Ka pokaia te puku me te ngakau, ka makā ki te moana (J. xx, 17). ‖ whekau.
2. Heart, seat of affections or feelings, mind. Ka pouri te ngakau o Tangaroa-mihi mo tana mokai kua mate nei (T. 161). Kei haere maharahara te ngakau (T. 189). Oranga ngakau, comfort. Haere koutou, e hoki ki to tatou matua, hei oranga ngkau mona (T. 181).
3. Inclination, desire, spirit. Ngakau-nui, hearty, eager, zealous. Ngakau-kore, disinclined, having no heart for anything, dispirited. Ngakaurua, uncertain, wavering, vacillating.
4. Something used to indicate to a friendly tribe that their assistance was desired in a warlike expedition. The ngakau might be an article sent, a song sung, etc. (‖ J. xii, 41). Whare ngakau, a house built in connection with an expedition to avenge a death.
5. a. Mean, stingy, inhospitable. He whare ngakau rara, ara nga tangata o roto.
whakangakau. 1. v.t. Show affection for, fret for, take to heart. Ka whakangakau ki ta ratou tane. (Said of women committing suicide on the death of their husbands.)
2. Long for, desire.
3. v.i. Bear malice, entertain a malicious desire. E tama, e tama, whakangakau rawa koe ki te patu i a au.
Williams Dictionary