clapperboard

== English == === Alternative forms === clapper board === Etymology === From clapper +‎ board. === Noun === clapperboard (plural clapperboards) (film) A device consisting of a board on which information about a film being recorded is noted, and a hinged piece which is brought down on the board with a clap at the start and end of each take of the film; it is used to synchronize picture and sound during editing. Synonyms: board, clapboard, clapstick, marker, slate, slate board, sticks, sync slate ==== Translations ==== === Verb === clapperboard (third-person singular simple present clapperboards, present participle clapperboarding, simple past and past participle clapperboarded) To use a clapperboard, especially to clap it to start a film take.