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[blak-bawrd, -bohrd] /ˈblækˌbɔrd, -ˌboʊrd/
a sheet of smooth, hard material, especially dark slate, used in schools, lecture rooms, etc., for writing or drawing on with chalk.
Also called chalkboard.
Compare greenboard.
Origin of blackboard
1815-25; black + board Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for blackboard
Contemporary Examples
Historical Examples
  • Then the words written on the blackboard came back to his mind.

    Ten Tales Franois Coppe
  • This was the writing of words on the blackboard for the pupils to use 118 in sentences.

    David Dunne Belle Kanaris Maniates
  • She found a bit of chalk and drew on a blackboard the head of a Hercules with Apollo's locks.

    Cornish Saints and Sinners J. Henry Harris
  • Crayon will not write on the smooth, glazed parts of a blackboard.

    Common Science Carleton W. Washburne
  • You don't remember seeing anything of a blackboard this afternoon, do you?

    Oscar Walter Aimwell
British Dictionary definitions for blackboard


a hard or rigid surface made of a smooth usually dark substance, used for writing or drawing on with chalk, esp in teaching
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for blackboard

1823, from black + board (n.1). Blackboard jungle "inner-city school rife with juvenile delinquency" is from Evan Hunter's novel title (1954).

Online Etymology Dictionary, © 2010 Douglas Harper
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