Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A smooth hard panel, usually green or black, for writing on with chalk; a blackboard.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A slate board for writing on with chalk; a predecessor to a whiteboard.

from the GNU version of the Collaborative International Dictionary of English

  • n. a dark sheet of slate used as a surface for writing on, with chalk.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. sheet of slate; for writing with chalk

Etymologies

chalk +‎ board (Wiktionary)

Examples

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Comments

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  • No.

    July 22, 2008

  • "Can those at the back hear me?"

    July 22, 2008

  • If you do, Wordies who come later won't know....

    Oh, forget it.

    July 21, 2008

  • I'm tempted to make a comment here and delete it.

    July 14, 2008

  • Before his students arrived for a graduate course in logic, Raymond Smullyan wrote on the blackboard:

    PLEASE DO NOT ERASE — BECAUSE IF YOU DO, THOSE WHO COME LATER WON'T KNOW THAT THEY SHOULDN'T ERASE.

    July 14, 2008