noun
a talk that uses a blackboard and chalk
• Hypernyms: ↑talk
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a talk or lecture in which the speaker illustrates points by drawing on a blackboard: The coach gave a chalk talk before the big game.
[1830-40, Amer.]
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chalk talk noun (N American)
An informal talk or lecture using explanatory notes and diagrams on a blackboard
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Main Entry: ↑chalk
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chalk talk,
a lecture illustrated by drawings and diagrams in chalk on a blackboard: »
The coaching staff presents the complete game plan for Sunday's battle in a series of chalk talks (New Yorker).
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n. a talk or lecture in which the speaker uses blackboard and chalk
Useful english dictionary. 2012.