clacker
/ˈklækər/
noun
- A person or thing that makes a sharp clicking or clacking sound.
- He's a constant clacker with his pen during meetings.
- The wooden toy was a simple clacker that kids loved.
- The old typewriter was a noisy clacker.
- A device or part of a machine that produces a clicking noise, especially in a mechanical counter or signal.
- He fixed the clacker on the old adding machine.
- The train signal's clacker warned of the approaching crossing.
- The voting machine's clacker sounded with each ballot cast.
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