Clapboard Definition
 klăbərd, klăpbôrd 
  clapboards
  
    noun
  
 
    clapboards
  
A long, narrow board with one edge thicker than the other, used as siding.
 Webster's New World 
A board consisting of a chalk slate (or now LED screen) and two hinged pieces that are struck together at the beginning of a scene, used to identify the take and synchronize sound.
 Webster's New World 
Synonyms: 
  
    verb
  
 To cover with clapboards.
 Webster's New World 
Other Word Forms of Clapboard
Noun
Singular:
 clapboardPlural:
 clapboardsClapboard Is Also Mentioned In
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