- an object that makes a clacking sound
- Northern English dialect the mouth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for clacker
The boy stood under the rick before mentioned, and every few seconds used his clacker or rattle briskly.
He sounded the clacker till his arm ached, and at length his heart grew sympathetic with the birds' thwarted desires.