clapperboard
See also: clapper board
English
![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/9a/Clap.jpg/220px-Clap.jpg)
Alternative forms
Etymology
Noun
clapperboard (plural clapperboards)
- (film) A device used in film production, having hinged boards that are brought together with a clap, used to synchronize picture and sound at the start of each take of a motion picture or other video production.
Synonyms
Translations
device used in film
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