bullroarer

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bullroarer

bull·roar·er

 (bo͝ol′rôr′ər)
n.
A small wooden slat attached to a string that makes a roaring noise when whirled.

bullroarer

(ˈbʊlˌrɔːrə)
n
(Instruments) a wooden slat attached to a thong that makes a roaring sound when the thong is whirled: used esp by native Australians in religious rites
References in periodicals archive ?
She adds that the piece also requires "an enormous array" of percussion instruments including a bull roarer, rain stick, thunder sheet, temple blocks, bamboo and metal wind chimes, xylophone and marimba.