Definition of "bull-roarer" []

• A contrivance consisting of a slat of wood tied to the end of a thong or string, with which the slat is whirled so as to cause an intermittent roaring noise. It is used as a toy, and among some races in certain religious rites. (noun)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "Still the unconquerable superstition that now seeks to tell fortunes by the cards, and, in your time, resorted to the sorceress with her magical “bull-roarer” or turndun."
• "And in Autralian aboriginal culture, the name of the sky god is divulged in the sound of the bull-roarer, which Mickey Hart writes about in"
• "The sound had the fullness of a baritone, rhythmic and slow, the noise of a bull-roarer, booming from that massive diaphragm."