bullroarer

== English == === Alternative forms === bull roarer, bull-roarer === Etymology === From bull +‎ roarer. === Noun === bullroarer (plural bullroarers) A ritual musical instrument and means of communicating over extended distances, 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. Synonyms: rhombus, thunder stick, turndun, whizzing stick ==== Translations ==== === Further reading === bullroarer on Wikipedia.Wikipedia