2. (noun) bullroarer - a traditional Māori musical instrument made of wood, stone or bone attached to a long string.
See also pūrerehua
3. (noun) noisy lashing rain, storm.
Kīhai i mōhiotia, tēnei te pūrorohū te hōkai mai rā (TKM.MM 18/7/1863:7). / It was not known that a storm was gathering.