Clapperboard

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  clapperboard \clap"per*board`\ (kl[a^]p"p[~e]r*b[=o]rd`), n.
     a device which synchronizes sound and picture while making a
     motion picture, consisting of boards held in front of a movie
     camera, which are are banged together.
     [WordNet 1.5]



From WordNet (r) 2.0 [wn]:

  clapperboard
       n : photographic equipment used to synchronize sound and motion
           picture; boards held in front of a movie camera are
           banged together