chalk talk
noun
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.
Origin of chalk talk
An Americanism dating back to 1830–40
Words nearby chalk talk
chalk,
chalk and talk,
chalk line,
chalk out,
chalk stripe,
chalk talk,
chalk up,
chalkboard,
chalkface,
chalkpit,
chalkrail
British Dictionary definitions for chalk talk
chalk talk
noun
US and Canadian
an informal lecture with pertinent points, explanatory diagrams, etc, shown on a blackboard