2. (noun) depression, valley, hollow.
Ko Te Heuheu i Tongariro te matāpuna, kei reira pea te toka i patukia e te taniwha i pipī mai ai ko Waikato. Ka ngaki mai i waenganui o Taupō, ka tītaha mai i a Te Arawa, kātahi ka kōpikopiko, ka whati, ka mārō, ka whakawiri, ka miri i te whenua, i te rākau me te kohikohi haere i ngā awa ririki, i ngā awa nunui i ngā rukenga o ngā repo. Tae rawa ake ki Ngāruawāhia ka tomo mai a Waipa, nā reira nei i whakahiato mai ngā wairere o ngā whāwhārua o Maniapoto (TAH 17:16). / Te Heuheu at Tongariro has the source, where the taniwha smote a rock and out of it gushed forth the Waikato river to make for itself a path through Lake Taupō. Eschewing Te Arawa territory, it gathers in the tributaries until at Ngāruawāhia it is joined by the Waipā, which in its turn has gathered in all the tributaries of the valleys of Maniapoto.
4. (noun) genealogy tracing descent from a female ancestor.
Ko te whāwhārua e kōrero ana mō te tipuna wahine, whakapapa mai koe i te tipuna wahine. Ka whakaheke haere mai koe i te tipuna wahine, he whāwhārua te ingoa o tērā whakapapa (Milroy 2015). / The whāwhārua genealogy is talking about the female ancestor, where you trace descent from the female ancestor. You descend from the female ancestor, and the name of that type of whakapapa is whāwhārua.