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blackboard

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia 0.06 sec.

(1) See Blackboard Learning System.

(2) The traditional classroom presentation board that is written on with chalk and erased with a felt pad. Although originally black, "white" boards and colored chalks are also used. Collaborative blackboards on the computer are called "whiteboards," because screen backgrounds are typically white (see whiteboard).


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Perkins wheeled around from his station before the blackboard and caught her in the act.
The master sat throned in his great chair upon a raised platform, with his blackboard behind him.
I had had a blackboard prepared, and it was put up now, and the circus began.
 
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