What is another word for Bull-roarer?
Pronunciation: [bˈʊlɹˈɔːɹə] (IPA) 
The Bull-roarer is an ancient instrument that has been used for communication, ceremonies, and rituals for centuries. It is also known by other names, such as Rhombus, Thunder-stick, and Turndun. The Bull-roarer produces a distinct sound, created through the whirling of a carved piece of wood or stone on a cord, that is used to transmit signals across long distances. The Rhombus is typically used in initiation ceremonies among indigenous tribes in Australia, Turndun is used in Africa, and Thunder-stick is used in Native American cultures. Whatever name it goes by, the Bull-roarer continues to play an important role in various cultures and traditions around the world to this day.
