horowai
1. (noun) waterfall, cascade.
He horowai hoki kei reira, engari ahakoa tō rongo ki te rere o te wai e kore e kitea nā te mea kei raro kē i te whenua ngā awa e rere ana (TWK 52:21). / There were also waterfalls at that place, but although you could hear the water flowing it couldn't be seen because the streams flowed underground.