clapperboardUK:*UK and possibly other pronunciationsUK and possibly other pronunciations/ˈklæpərbɔːrd/ No thesaurus entry found for 'clapperboard' ✓ See the definition of "clapperboard" in our monolingual dictionaryRecent forum discussions about thesaurus entries: No thread for "clapperboard"  
    
    
    
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