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blackboard

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blackboard


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Blackboard  \Black"board`\  (-b[=o]rd`),  n. 
  A  broad  board  painted  black,  or  any  black  surface  on  which 
  writing,  drawing,  or  the  working  of  mathematical  problems  can 
  be  done  with  chalk  or  crayons.  It  is  much  used  in  schools. 
 
  From  WordNet  r  1.6  [wn]: 
 
  blackboard 
  n  :  sheet  of  slate;  for  writing  with  chalk  [syn:  {chalkboard}] 




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