1. A hinged board used in film and television production to mark the beginning of a take, displaying scene, take, and date information; also called a slate or clapper.
Usage: Plural form of clapperboard; Film and television production terminology

Examples

• The director called for the clapperboards to be ready before rolling the cameras.
• Multiple clapperboards were used throughout the day to track different scenes.
• The assistant director snapped the clapperboards together to mark each take.
• Clapperboards help editors organize footage by displaying scene numbers and take counts.
• The production team prepared several clapperboards for the morning shoot.