blackboard
/ˈblækbɔɹd/ noun A2- A large flat surface, finished with black slate or a similar material, that can be written upon with chalk and subsequently erased; a chalkboard.
Plural blackboards
From the library
“Anne, go and stand on the platform in front of the blackboard for the rest of the afternoon.”
Phillips took a chalk crayon and wrote on the blackboard above her head.
One morning Gilbert had all his sums done correctly and had his name written on the blackboard on the roll of honor; the next morning Anne, having wrestled wildly with decimals the entire evening before, would be first.
“I learn the proposition off by heart and then he draws it on the blackboard and puts different letters from what are in the book and I get all mixed up.
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