1. A hinged board marked with scene and take information, clapped in front of a camera at the start of filming to synchronize sound and image and identify shots.
Usage: Also called a slate or clapper.; Standard equipment in film and television production.

Examples

• The assistant director snapped the clapperboard at the beginning of each take.
• The clapperboard displayed the scene number, take number, and date of filming.
• Sound and image are synchronized using the clapperboard's distinctive clap.
• Before rolling cameras, the crew held up the clapperboard to mark the shot.
• The editor used the clapperboard information to organize and label the footage.