Definition of blackboa:
°A large flat surface, finished with black slate or a similar material, that can be written upon with
chalk and subsequently erased; a
chalkboard.
°To use a blackboard to assist in an informal discussion.
Definition of blackboa:
°A large flat surface, finished with black slate or a similar material, that can be written upon with
chalk and subsequently erased; a
chalkboard.
°To use a blackboard to assist in an informal discussion.