We have no meanings for "big blackboard" in our records yet.
1 Some of the other men brought in a big blackboard and set it up.
2 His voice was like really big nails being run down a really big blackboard , only louder.
3 The telegraphic report registers in several instruments attached to the big blackboard that occupies the entire north wall.
4 The big blackboard where the share prices were updated was gone, and the physical exchange now happened through digitally created means.
5 There's a big blackboard outside my front door where friends chalk up messages to say when they'd like to pop by.
6 It was there that I saw Man's definitions, one by one, wiped from off the big blackboard , until only mine was left.
7 Here are the tickers communicating with the Chamber, tended by lads, who transfer the figures to big blackboards on the wall.
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