2. (noun) crack, chasm, line.
I ngā rā katoa e whānui haere ana te tawhā i waenganui o Tiapani rāua ko Rūhia (HKW 1/1/1900:8). / Every day the chasm between Japan and Russia widens.
3. (noun) caldera - a large volcanic depression.
Ko te puia: He puare, he kōhao, he tawhā rānei i te mata o te whenua (RP 2009:335). / A volcano: An opening, vent or caldera on the surface of the land.