rhombos

rhombos

(ˈrɒmbɒs)
n
(Other Non-Christian Religions) a wooden slat attached to a strap that makes a roaring sound when the strap is whirled. It has been associated with religious rituals throughout the world
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
This new solo music-theatre piece--which checked in at Pennsylvania's Blocm-burg Ensemble Theatre March 18-21 before premiering in Egypt in October--packs in 12 songs and other essential items (lyre, flute, a whirling bull-roarer called a rhombos) to evoke the third-century B.C.