[boo
l-rawr-er, -rohr-] 
| a wooden slat that produces a roaring sound when whirled around one's head on the end of a string or thong, used by some peoples of the world in religious ceremonies and by others as a toy. |
| bull·roar·er (bŏŏl'rôr'ər, -rōr'-) n. A small wooden slat attached to a string that makes a roaring noise when whirled. |