rua waro
1. (noun) coal mine.
Ko tētahi rua waro i roto ngā tāngata e mahi ana, i te pakūtanga i te kaha o te kāhi o roto, kati tonu atu ngā tāngata e 90 ki roto (HTK 5/8/1893:5). / Men were working in a coal mine when it exploded because there was so much gas inside, and the 90 men inside were trapped.